The DOI matches its Crossref record; 242 of the 242 references it cites were found in a registry or an index; 2 of the 18 sources its claims cite were checked for support.
The Economics of Two-Sided Markets
Open accessAbstract
Broadly speaking, a two-sided market is one in which 1) two sets of agents interact through an intermediary or platform, and 2) the decisions of each set of agents affects the outcomes of the other set of agents, typically through an externality. In the case of a video game system, the intermediary is the console producer—Sony in the scenario above—while the two sets of agents are consumers and video game developers. Neither consumers nor game developers will be interested in the PlayStation if the other party is not. Similarly, a successful payment card requires both consumer usage and merchant acceptance, where both consumers and merchants value each others' participation. Many more products fit into this paradigm, such as search engines, newspapers, and almost any advertiser-supported media (examples in which consumers typically negatively value, rather than positively value, the participation of the other side), as well as most software or title-based operating systems and consumer electronics. This paper seeks to explain what two-sided markets are and why they interest economists. I discuss the strategies that firms typically consider, and I highlight a number of puzzling outcomes from the perspective of the economics of two-sided markets. Finally, I consider the implications for public policy, particularly antitrust and regulatory policy, where there have been a number of recent issues involving media, computer operating systems, and payment cards.
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Claims the paper makes
64 Own interpretation · 21 No basis given · 9 Sources not found · 5 No full text of the sources · 1 Supported · 1 Partly supported · 1 Not checked yet · accuracy not yet measured
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In the paper
“In fact, two-sided markets often seem to evolve toward to a situation where members of one side use a single platform and the other side uses multiple platforms; Armstrong (2006, Section 5) makes this point and provides formal analysis.”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Partly supportedcites Armstrong (2006, Section 5) sourceExperimental — accuracy not yet measured
Section 5, “Competitive bottlenecks” (page unavailable), formally analyzes a market in which one group uses a single platform and the other uses multiple platforms. The discussion preceding Section 5 says several important markets resemble this configuration. The paper does not establish that markets evolve toward it over time. (LLM, conf=0.83)
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
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- Partly supported
Every source the paper cites for this claim was checked and supports it.
In the paper
“Hence, firms compete aggressively on the side that uses a single network in order to charge monopoly prices to the other side that is trying to reach them (Armstrong, 2006).”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Supportedcites Armstrong, 2006 source
In “Fixed fees or per-transaction charges” (page unavailable), Armstrong says platforms compete for single-homing agents but have monopoly power over access to them, leading to high prices for the multi-homing side. Section 5, “Competitive bottlenecks” (page unavailable), describes each platform as holding a local monopoly over that access. The claim is a fair paraphrase of this competitive-bottleneck result. (LLM, conf=0.91)
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- Supported
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In the paper
“In addition, two-sided markets allow for a new form of price discrimination: discrimination based on heterogeneity in the attractiveness of an agent to the other side.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“These markets seem much less flexible in terms of the choice of two-sidedness.”
§ The Economics of Two-Sided Markets > Openness
plain- Asserted: passes — The authors put it forward as true.
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Advertising prices depend on consumer demand for advertising as well, with relatively low prices for advertisements that consumers more highly value (such as classified advertisements and some local advertisements).”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Hence, the “twosidedness” of pricing can be more pronounced in competitive markets.”
§ The Economics of Two-Sided Markets > Pricing
plainconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“If there are multiple competing market intermediaries, the effect of participation of one side on the other has even more bite.”
§ The Economics of Two-Sided Markets > Pricing
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“The main result is that pricing to one side of the market depends not only on the demand and costs that those consumers bring but also on how their participation affects participation on the other side and the profit that is extracted from that participation.”
§ The Economics of Two-Sided Markets > Pricing
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In the paper
“In this sense, Microsoft is more open than Apple.”
§ The Economics of Two-Sided Markets > Openness
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In the paper
“In this scenario, the interchange fee primarily affects the terms that merchants and consumers face and the total volume of transactions.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Rather, to the extent that a platform does not integrate, it often introduces another side to the multi-sided market calculation.”
§ The Economics of Two-Sided Markets > Openness
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Such seeming anomalies as price below marginal cost or even negative prices can easily arise in a two-sided market.”
§ The Economics of Two-Sided Markets > Pricing
plainconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Similarly, Sony and Microsoft have given Electronic Arts, the largest game manufacturer, advantageous contracts in order to attract games to their consoles (Eisenman, Parker, and Van Alstyne, 2006).”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Not matchedcites Eisenman, Parker, and Van Alstyne, 2006
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“As a result, competition between platforms can have large price effects on the side of the market that uses a single platform and little or no effect on the side that uses multiple platforms.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“For example, a platform might charge a price below cost on one side if those agents have a large price elasticity and their participation attracts a large number of participants on the other side who are relatively price inelastic (and hence have a high mark-up).”
§ The Economics of Two-Sided Markets > Pricing
hedgedconditional- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“But in a two-sided market, pricing decisions will also include the elasticity of the response on the other side and the mark-up charged to the other side.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Compatibility need not be a “zero-one” decision.”
§ The Economics of Two-Sided Markets > Openness
plain- Asserted: passes — The authors put it forward as true.
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“In a situation of demand heterogeneity, standard price discrimination-for instance, by manipulating the prices for participation and usage-allows a platform to capture more of the surplus on the side with discrimination.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Penetration pricing, such as when an intermediary lowers price early in the product life cycle and raises it after having established a base, is a natural outcome in two-sided markets.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Since the platform faces a similar computation on the other side, prices on both sides of the market depend on the joint set of demand elasticities and marginal costs on each side (Rochet andTirole, 2003, 2006;Weyl, 2009).”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Not matchedcites Rochet andTirole, 2003, 2006;Weyl, 2009
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plaindirect- Asserted: passes — The authors put it forward as true.
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- Not matched
In the paper
“Meanwhile, consumers typically stick to a single card for months at a time (Rysman, 2007a).”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Not matchedcites Rysman, 2007a
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
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In the paper
“It is because the intermediary can be viewed as a monopolist over access to members that do not use other intermediaries.”
§ The Economics of Two-Sided Markets > Pricing
plain- Asserted: passes — The authors put it forward as true.
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In the paper
“In other words, the technology of these industries is such that adding or eliminating sides to their markets is not an important option.”
§ The Economics of Two-Sided Markets > Openness
plain- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“However, outside of some particular cases, the basic model of payment cards and media is a two-sided one.”
§ The Economics of Two-Sided Markets > Openness
plain- Asserted: passes — The authors put it forward as true.
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Consumer prices depend on advertiser demand to reach those consumers.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Caillaud and Jullien (2003) show how an entering platform can use price discrimination to be successful even when market participants expect the entrant to fail.”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Not checked — no full text of the sourcecites Caillaud and Jullien (2003) source
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“In fact, the Reserve Bank of Australia (2006) sets interchange fees based on the average cost of banks serving consumers”
§ The Economics of Two-Sided Markets > Regulation
What the sources say
- Not matchedcites Reserve Bank of Australia (2006)
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Hence, the price-measurement issues associated with two-sided markets had a limited role.”
§ The Economics of Two-Sided Markets > Antitrust
plainSingle case- Asserted: passes — The authors put it forward as true.
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In the paper
“The type of organization greatly affects public policy toward the entities.”
§ The Economics of Two-Sided Markets > Other Strategies
boosteddirect- Asserted: passes — The authors put it forward as true.
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In the paper
“Second, tipping is less likely if agents can easily use multiple standards.”
§ The Economics of Two-Sided Markets > Openness
hedgeddirect- Asserted: passes — The authors put it forward as true.
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In the paper
“In a two-sided market, if the merger reduces cost on one side, that has implications for price on the other side.”
§ The Economics of Two-Sided Markets > Antitrust
plainconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Also, a merger could increase market power on both sides of the market and still lead to a price decline on one side.”
§ The Economics of Two-Sided Markets > Antitrust
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In the paper
“First, if standards can differentiate from each other, they may be able to successfully coexist (Chou and Shy, 1990;Church and Gandal, 1992).”
§ The Economics of Two-Sided Markets > Openness
What the sources say
- Not matchedcites Chou and Shy, 1990;Church and Gandal, 1992
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Once the court established that setting an interchange fee is legal, it did not inquire into whether Visa set the optimal interchange fee.”
§ The Economics of Two-Sided Markets > Antitrust
plain- Asserted: passes — The authors put it forward as true.
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In the paper
“The importance of two-sided markets here is ambiguous.”
§ The Economics of Two-Sided Markets > Antitrust
plainSingle case- Asserted: passes — The authors put it forward as true.
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In the paper
“Hence, two-sided market issues become important when the court includes price computations in questions of legality.”
§ The Economics of Two-Sided Markets > Antitrust
plainconditional- Asserted: passes — The authors put it forward as true.
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- Rests on an assumption: In December 2007, the European Commission ruled that the interchange fee at MasterCard for cross-border transactions is collusive and illegal.
- Rests on an assumption: MasterCard can exist with a zero-interchange fee.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Such a computation could easily be influenced by whether a market is two-sided or not.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Similarly, the design of remedies for antitrust violations might be affected.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Third, the ability of providers of complementary goods to differentiate themselves after picking a platform makes tipping more likely (Ellison and Fudenberg, 2003;Augereau, Greenstein, and Rysman, 2006).”
§ The Economics of Two-Sided Markets > Openness
What the sources say
- Not matchedcites Ellison and Fudenberg, 2003;Augereau, Greenstein, and Rysman, 2006
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedgeddirect- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“If one side of the market can be made exclusive, there is usually little reason to seek exclusivity on the other side.”
§ The Economics of Two-Sided Markets > Openness
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“We must recognize that the response by A's consumers will also affect participation of A's sellers, which may affect the sellers that B sees and lead to an effect on B's consumers over and above the standard substitution effect from A's consumer price change.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“Thus, exclusive dealing and tying potentially have added benefits in a two-sided market that might be important counterpoints to the standard antitrust criticism that they may create entry barriers.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
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In the paper
“As argued above, if members of one side use only one platform at a time, the platform can charge monopoly prices to the other side for access.”
§ The Economics of Two-Sided Markets > Openness
plaindirect- Asserted: passes — The authors put it forward as true.
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“If two-sidedness is important, we must account for the endogenous variation in other prices in response to any one price.”
§ The Economics of Two-Sided Markets > Antitrust
plainconditional- Asserted: passes — The authors put it forward as true.
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- Rests on an assumption: Antitrust authorities typically use the size of cross-price elasticities to determine what products should be included in a relevant market.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“However, once market power was established, the case hinged on whether tying the browser to the operating system created an entry barrier into the operating system market.”
§ The Economics of Two-Sided Markets > Antitrust
plaindirect- Asserted: passes — The authors put it forward as true.
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In the paper
“But that does not mean that it is important for all aspects of antitrust analysis.”
§ The Economics of Two-Sided Markets > Antitrust
plain- Asserted: passes — The authors put it forward as true.
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- Probably not a substantial claim. 34
- It may state two separate claims as one. 39
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Of great controversy is that the merchant's bank must pay the consumer's bank an “interchange fee,” a percent of each transaction.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
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Probably not a substantial claim. The paper may give no reason why it holds.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Providers of platforms often prefer incompatibility on the grounds that it locks in current customers and locks out competitors.”
§ The Economics of Two-Sided Markets > Openness
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The interchange fee presumably explains why banks can offer generous rewards programs to consumers for using their credit cards.”
§ The Economics of Two-Sided Markets > Abstract
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“This result might explain why payment card pricing has increasingly favored consumers over time rather than merchants (for instance, with the rise of rewards programs), since consumers and not merchants typically use a single network and competition among card networks has become more important relative to competition between card networks and cash.”
§ The Economics of Two-Sided Markets > Pricing
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Hence, payment associations offered supermarkets relatively low interchange fees, which led to low bank fees and ultimately to the adoption of payment card usage by supermarkets.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“These changes do not appear to have led to a strategic change with respect to interchange policy.”
§ The Economics of Two-Sided Markets > Abstract
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
In the paper
“However, as Rochet and Tirole (2002) point out, if serving consumers and merchants is perfectly competitive, then the interchange fee does not affect the profits of the member banks.”
§ The Economics of Two-Sided Markets > Abstract
What the sources say
- Not checked — no full text of the sourcecites Rochet and Tirole (2002) source
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Thus, it may be better to discuss two-sided “strategies” rather than two-sided “markets,” because two-sidedness is an endogenous choice in some markets, not a technologically determined outcome.”
§ The Economics of Two-Sided Markets > Openness
hedgedconditionalSingle case- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“The interchange fee is set by the card association, and in this sense is set cooperatively by the member banks.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Merchants typically accept payment on multiple networks-for example, Visa, Mastercard, American Express, and Discover-as well as via alternatives such as on-line debit cards and personal checks.”
§ The Economics of Two-Sided Markets > Pricing
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Newspapers are a canonical two-sided market, where the newspaper provides a platform for communication from advertisers to consumers.”
§ The Economics of Two-Sided Markets > Abstract
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“For instance, in any market, prices typically fall as the price elasticity of demand increases, but in a two-sided market the effect can be even larger: The low price on one side not only attracts elastic consumers on that side but also, as a result, leads to higher prices or more participation on the other side.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“But now, lowering the consumer price attracts consumers from the competing platform, which degrades the value of the competitor to buyers, and hence leads to a larger increase in buyer interest in the original platform.”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“The merchant's fee is set to reflect this cost and is usually only slightly higher than the interchange fee.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“A successful operating system requires consumer adoption as well as software development by software vendors.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
In the paper
“Thus, discrimination increases the value extracted on one side, which leads to lower prices on the other side which has now become more valuable (Weyl, 2009).”
§ The Economics of Two-Sided Markets > Pricing
What the sources say
- Not checked — no full text of the sourcecites Weyl, 2009 source
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“That is, we can characterize Microsoft as managing a three-sided market between consumers, software providers, and hardware providers, whereas Apple manages only a two-sided market between consumers and software providers.”
§ The Economics of Two-Sided Markets > Openness
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Note that Mastercard and Visa incorporated in 2006 and 2007 and so are organized as for-profit corporations rather than as associations or cooperatives.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Payment cards like Visa, MasterCard, and American Express are two-sided in the sense that they require consumer usage and merchant acceptance to be successful.”
§ The Economics of Two-Sided Markets > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Similarly, it is common to establish a technological standard through free distribution of a basic product (for instance, Adobe's free distribution of Reader popularizes the PDF standard) and then profit on peripheral products (such as Adobe Acrobat).”
§ The Economics of Two-Sided Markets > Pricing
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Similarly, a successful payment card requires both consumer usage and merchant acceptance, where both consumers and merchants value each others' participation.”
§ The Economics of Two-Sided Markets > Abstract
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“In markets with multiple newspapers, consumers typically read only one newspaper whereas advertisers appear in all of them.”
§ The Economics of Two-Sided Markets > Pricing
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In addition, there is a more subtle effect through mark-ups: advertising to one side that raises the mark-up on that side leads to lower prices on the other side, and vice versa.”
§ The Economics of Two-Sided Markets > Other Strategies
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
In the paper
“If there is no antitrust violation in setting interchange fees but the equilibrium outcome diverges from the social optimum (as in Rochet and Tirole, 2002), then price regulation may be a reasonable solution.”
§ The Economics of Two-Sided Markets > Regulation
What the sources say
- Not checked — no full text of the sourcecites Rochet and Tirole, 2002 source
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. It may state two separate claims as one.
In the paper
“As such, it is unlikely that the theory of two-sided markets will have much effect here, although there is some movement to make predatory pricing easier to prosecute(Brodley, Bolton, and Riordan, 2000).”
§ The Economics of Two-Sided Markets > y I thank Mark Armstrong, David Evans, Marshall Van Alstyne, Pai Ying Li, and Glen
What the sources say
- Not matchedcites Brodley, Bolton, and Riordan, 2000
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Not matched
None of the sources cited for this claim have been checked yet.
In the paper
“If the sellers cannot differentiate aside from adopting a standard, they must differentiate by choosing separate standards, which leads to the adoption of multiple standards (Ellison and Fudenberg, 2003) or even adoption failure (Augereau, Greenstein, and Rysman, 2006;Kretschmer, 2008).”
§ The Economics of Two-Sided Markets > Openness
What the sources say
- Not checked — no full text of the sourcecites Ellison and Fudenberg, 2003 source
- Not matchedcites Augereau, Greenstein, and Rysman, 2006;Kretschmer, 2008
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
In the paper
“For instance, cash is more costly to process than credit card payments, whereas electronic debit is cheaper (Reserve Bank of Australia, 2007).”
§ The Economics of Two-Sided Markets > Regulation
What the sources say
- Not matchedcites Reserve Bank of Australia, 2007
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The economics of two-sided markets can play an important role in guiding the determination of the optimal fee, although it does not appear to have done so to date.”
§ The Economics of Two-Sided Markets > Regulation
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
In the paper
“Knittel and Stango (2008) argue that deregulating surcharges for ATMs had a major role in causing the expansion.”
§ The Economics of Two-Sided Markets > Regulation
What the sources say
- Not checked — no full text of the sourcecites Knittel and Stango (2008) source
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Two-sided markets typically have network effects and as such are likely to tip toward a single dominant platform.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Hence, fees were deregulated in this market, in contrast with the current trend toward regulation in payment cards.”
§ The Economics of Two-Sided Markets > Regulation
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Rests on an assumption: Increased prices led to more consumer usage rather than less because ATMs were much more conveniently located.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Thus, persuasive advertising on one side can lead to lower prices on the other side, whereas informative advertising on one side leads to higher prices on the other.”
§ The Economics of Two-Sided Markets > Other Strategies
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Video games compete with a host of leisure activities for consumer attention, but not for game developer attention.”
§ The Economics of Two-Sided Markets > Antitrust
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“It seems clear that the economics of two-sided markets is highly relevant for pricing analysis in antitrust.”
§ The Economics of Two-Sided Markets > Antitrust
boostedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The literature has important policy implications for pricing analysis, an important feature of regulation and a large part of antitrust analysis.”
§ The Economics of Two-Sided Markets > Conclusion
plain- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In general, my prediction is that two-sided analysis will grow in importance in areas where pricing analysis is important, whereas the effect will be more limited in exclusionary conduct cases such as monopolization and conditional sales.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“However, the technical legal question was about cooperation and the nature of the Visa association, not about two-sided markets.”
§ The Economics of Two-Sided Markets > Antitrust
plainSingle case- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“For example, newspapers compete with billboards for advertising, but not for consumer readership.”
§ The Economics of Two-Sided Markets > Antitrust
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The interchange fees imposed in Australia may or may not raise social welfare, but the process for determining the fee surely diverges from the prescription of the economics of two-sided markets.”
§ The Economics of Two-Sided Markets > Regulation
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Here, pricing issues were crucial and two-sided market concerns were relatively important.”
§ The Economics of Two-Sided Markets > Antitrust
plaindirectSingle case- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Economic theory suggests that any determination of the optimal interchange fee should consider the marginal costs of serving both consumers and merchants as well as price elasticities of demand and interaction elasticities of demand to usage on the other side of the market.”
§ The Economics of Two-Sided Markets > Regulation
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“From different perspectives, the same business may have different numbers of sides.”
§ The Economics of Two-Sided Markets > y I thank Mark Armstrong, David Evans, Marshall Van Alstyne, Pai Ying Li, and Glen
hedgedconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Certain more subtle strategies are more common in two-sided than in onesided markets.”
§ The Economics of Two-Sided Markets > Other Strategies
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Advertising on one side raises participation and usage on that side, which raises demand on the other side, and so advertising on one side can lead to higher prices on the other.”
§ The Economics of Two-Sided Markets > Other Strategies
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“That is, determining the difference between optimal and equilibrium prices has little role in establishing the legality of an action in a monopolization case (although it may have an important role in determining the requisite question of whether a firm has market power).”
§ The Economics of Two-Sided Markets > Antitrust
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Rests on an assumption: Inefficient pricing is not an antitrust violation by itself.
- Rests on an assumption: Monopolization and vertical contracting cases typically hinge on whether a firm has excluded competitors from the market in a way that did not benefit consumers or reduce costs.
In the paper
“The court deemed that system unworkable, and hence the collectively set interchange fee was legal as it was necessary to provide the Visa card.”
§ The Economics of Two-Sided Markets > Antitrust
What the sources say
- Not matchedcites National Bancard Corp.(Nabanco) v. Visa U.S.A., Inc. (779 F.2d 592 [11 th Cir.1986])
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plaindirectSingle case- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The Internet service providers can be seen as platforms matching Internet users to content providers and hence, the concept of net neutrality is often evaluated from the perspective of two-sided markets.”
§ The Economics of Two-Sided Markets > y I thank Mark Armstrong, David Evans, Marshall Van Alstyne, Pai Ying Li, and Glen
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The economics of two-sided markets provides insights primarily into pricing and so is likely to be particularly important for the parts of antitrust enforcement that focus on pricing issues.”
§ The Economics of Two-Sided Markets > Antitrust
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In a two-sided market, we should consider multiple prices and, potentially, different measures of competition for each side.”
§ The Economics of Two-Sided Markets > Antitrust
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The economics of two-sided markets are important for a wide variety of public policy issues.”
§ The Economics of Two-Sided Markets > Public Policy
plain- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Pricing issues are the main thrust of a great deal of economic regulation, and as such, the economics of two-sided markets can make a large contribution.”
§ The Economics of Two-Sided Markets > Regulation
plainconditional- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Also, a platform firm must be concerned not only with its own quality and advertising, but also that of the vendors who operate over its network.”
§ The Economics of Two-Sided Markets > Other Strategies
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Similarly, the effects of quality investment will depend on whether it generates relatively price-elastic or -inelastic consumers on the margin, and on whether it attracts consumers that are more or less responsive to participation on the other side.”
§ The Economics of Two-Sided Markets > Other Strategies
plainconditional- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Pricing was not a primary issue in this calculation, and it is unclear that two-sided market economics offers much guidance.”
§ The Economics of Two-Sided Markets > Antitrust
plainSingle case- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: unclear — It is unclear whether the paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“A network of ATMs is two-sided in the sense that it is more valuable to consumers if it can reach more banks and more valuable to banks if more consumers use it, which is often a function of how many locations a network reaches.”
§ The Economics of Two-Sided Markets > Regulation
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Common strategies in one-sided markets like innovation, advertising, and quality investment can take on added dimensions in a two-sided market.”
§ The Economics of Two-Sided Markets > Other Strategies
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
The paper relies on this without support.
Two-sidedness may exist in practically all markets.
“That is, although two-sidedness may exist in practically all markets, it is not always quantitatively important.”
The paper relies on this without support.
The difference in industries between the two-sided markets literature and the network effects literature is not crucial.
“However, the difference in industries is not crucial, and there are exceptions on both sides.”
The paper relies on this without support.
The two-sided markets literature and the network effects literature have a lot in common.
“Many papers that study operating systems identify themselves with network effects rather than two-sided markets so perhaps this example is less canonical, but as I have argued, the two literatures have a lot in common.”
The paper relies on this without support.
Antitrust authorities typically use the size of cross-price elasticities to determine what products should be included in a relevant market.
“Antitrust authorities typically use the size of cross-price elasticities to determine what products should be included in a relevant market.”
The paper relies on this without support.
Inefficient pricing is not an antitrust violation by itself.
“Although inefficient pricing is the hallmark of the economic criticism of monopoly power, inefficient pricing is not an antitrust violation by itself.”
The paper relies on this without support.
Monopolization and vertical contracting cases typically hinge on whether a firm has excluded competitors from the market in a way that did not benefit consumers or reduce costs.
“Monopolization and vertical contracting cases typically hinge on whether a firm has excluded competitors from the market in a way that did not benefit consumers or reduce costs.”
The paper relies on this without support.
In December 2007, the European Commission ruled that the interchange fee at MasterCard for cross-border transactions is collusive and illegal.
“In December 2007, the European Commission ruled that the interchange fee at MasterCard (for crossborder transaction) is collusive and illegal.”
The paper relies on this without support.
MasterCard can exist with a zero-interchange fee.
“Since MasterCard can exist with a zero-interchange fee, the exemption to the joint behavior was eliminated.”
The paper relies on this without support.
Increased prices led to more consumer usage rather than less because ATMs were much more conveniently located.
“Furthermore, increased prices led to more consumer usage rather than less because ATMs were much more conveniently located.”
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ The Economics of Two-Sided Markets > References
“Armstrong, Mark. 2006. "Competition in Two- Sided Markets." The RAND Journal of Economics, 37(3): 668 -91.”
§ The Economics of Two-Sided Markets > References
“Rochet, Jean-Charles, and Jean Tirole. 2006. "Two-Sided Markets: A Progress Report." The RAND Journal of Economics, 35(3): 645-67.”
Citations
Cites
Platform Competition in Two-Sided Markets
Rochet, J.-C., & Tirole, J. (2003) · Journal of the European Economic Association · doi:10.1162/154247603322493212 · Cited by 5,642
Competition and Innovation: An Inverted-U Relationship*
Aghion, P., Bloom, N., Blundell, R. W., Griffith, R., & Howitt, P. W. (2005) · The Quarterly Journal of Economics · doi:10.1093/qje/120.2.701 · Cited by 3,769
Competition in two-sided markets
Armstrong, M. (2006) · The RAND Journal of Economics · doi:10.1111/j.1756-2171.2006.tb00037.x · Cited by 3,315
Two-sided markets: A progress report
Rochet, J.-C., & Tirole, J. (2006) · The RAND Journal of Economics · doi:10.1111/j.1756-2171.2006.tb00036.x · Cited by 2,994
Competition and innovation: an inverted U relationship
Aghion, P., Bloom, N., Blundell, R. W., Griffith, R., & Howitt, P. W. (2017) · doi:10.1920/wp.ifs.2002.0204 · Cited by 2,113
Chicken & Egg: Competition among Intermediation Service Providers
Caillaud, B., & Jullien, B. (2003) · The RAND Journal of Economics · doi:10.2307/1593720 · Cited by 1,799
Two-Sided Network Effects: A Theory of Information Product Design
PARKER, G. G., & Alstyne, M. V. (2005) · Management Science · doi:10.1287/mnsc.1050.0400 · Cited by 1,684
Competition and Innovation: An Inverted-U Relationship*
Aghion, P., Bloom, N., Blundell, R., Griffith, R., & Howitt, P. (2005) · Quarterly Journal of Economics · doi:10.1162/0033553053970214 · Cited by 995
Open Platform Strategies and Innovation: Granting Access vs. Devolving Control
Boudreau, K. J. (2010) · Management Science · doi:10.1287/mnsc.1100.1215 · Cited by 984
Journal of the European Economic Association
European Economic Association (2017) · Journal of the European Economic Association · doi:10.1111/(issn)1542-4774 · Cited by 859
Research works printed but not linked: 5
- Boudreau Kevin, 2007, MIT Sloan Research Paper, 4611
- Brodley Joseph F, 2000, Georgetown Law Journal, 88, 2239
- Ellison Glenn, 2009, Econometrica, 77, 427
- Evans David S, 2003, Yale Journal on Regulation, 20, 325
- Rysman Marc, 2007, Competition Policy International, 3, 197
Cited by
Sorted by citations
The Rise of the Sharing Economy: Estimating the Impact of Airbnb on the Hotel Industry
Zervas, G., Proserpio, D., & Byers, J. W. (2017) · Journal of Marketing Research · doi:10.1509/jmr.15.0204 · Cited by 2,376
“theory of two-sided markets, for example through structural models that establish theories of price structure and usage (Rochet and Tirole, 2003; Rysman, 2009; Weyl, 2010), and models which connect innovations in product design to network effects (Parker and Van Alstyne, 2005).”
Bridging differing perspectives on technological platforms: Toward an integrative framework
Gawer, A. (2014) · Research Policy · doi:10.1016/j.respol.2014.03.006 · Cited by 1,869
Networks, platforms, and strategy: Emerging views and next steps
McIntyre, D. P., & Srinivasan, A. (2017) · Strategic Management Journal · doi:10.1002/smj.2596 · Cited by 1,109
Open Platform Strategies and Innovation: Granting Access vs. Devolving Control
Boudreau, K. J. (2010) · Management Science · doi:10.1287/mnsc.1100.1215 · Cited by 984
Hagiu, A., & Wright, J. (2015) · International Journal of Industrial Organization · doi:10.1016/j.ijindorg.2015.03.003 · Cited by 1,152
“Both approaches have limitations (see Rysman, 2009).”
Influential
Metadata
- Authors
- Rysman, M.
- Affiliations
- Boston University (US)
- Corresponding author
- Rysman, Marc
- ORCID
- Rysman, Marc
- Venue
- Journal of Economic Perspectives
- Publisher
- American Economic Association
- Published
- 2009-08-01
- Volume
- 23
- Issue
- 3
- Pages
- 125-143
- ISSN
- 0895-3309 (ISSN-L)
- OpenAlex
- W1982461819
- Semantic Scholar
- 1c0c366611a5049d783edb97c8fce22b666c4622
- Cited by
- 1,261
- References
- 71
- Citations by year
- 2026: 68 · 2025: 74 · 2024: 77 · 2023: 93 · 2022: 85 · 2021: 95 · 2020: 124 · 2019: 92 · 2018: 87 · 2017: 70 · 2016: 81 · 2015: 57 · 2014: 72 · 2013: 76 · 2012: 47
- FWCI
- 103.49
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- other-oa
- Locations
- The Journal of Economic Perspectives (publishedVersion, other-oa)
- RePEc: Research Papers in Economics (submittedVersion)
- Topics
- Social Sciences › Business, Management and Accounting › Strategy and Management › Digital Platforms and Economics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Merger and Competition Analysis
- Social Sciences › Business, Management and Accounting › Marketing › Consumer Market Behavior and Pricing
- Keywords
- two-sided markets, platform intermediaries, network effects, externalities, payment cards, video game consoles, operating systems, competition policy, regulation, public policy, consumer electronics, search engines
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
A language model drew the claims from the paper on 2026-10-11, under version 3 of the claim definition (model deepseek-v4.1-flash, prompt extract-v3).
A second model labelled each claim on 2026-10-11 (model jev-1.13-20260917, definition revision gold-guideline-v0.2).
Cited sources are checked with a language model’s help (gpt-6-sol).
Statistics and arithmetic are recomputed, not judged.
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