The DOI matches its Crossref record.
Equilibrium with Product Differentiation
Open accessAbstract
A model of product differentiation which combines elements of both spatial and representative consumer formulations is used to examine the properties of single- and multiple-price equilibria. Conditions under which decreases in the intensity of consumer preferences reduce price are given. It is shown that, with certain types of demand curves, entry can eliminate price-cost markups even given product differentiation. If competition is localized, it is demonstrated that entry does not affect the markup. Finally, the effect of spurious product differentiation on price is examined.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Automobile Prices in Market Equilibrium
Berry, S., Levinsohn, J., & Pakes, A. (1995) · Econometrica · doi:10.2307/2171802 · Cited by 4,883
Reducing buyer search costs: Implications for electronic marketplaces
Bakos, J. Y. (1997) · Management Science · doi:10.1287/mnsc.43.12.1676 · Cited by 2,259
Shrouded Attributes, Consumer Myopia, and Information Suppression in Competitive Markets
Gabaix, X., & Laibson, D. I. (2005) · SSRN Electronic Journal · doi:10.2139/ssrn.728545 · Cited by 441
Welfare Implications of User Innovation
Henkel, J., & von Hippel, E. (2005) · Essays in Honor of Edwin Mansfield · doi:10.1007/0-387-25022-0_5 · Cited by 174
Mojduszka (2001) · doi:10.1002/1520-6297(200124)17:1
Metadata
- Authors
- Perloff, J. M., & Salop, S. C.
- Venue
- The Review of Economic Studies
- Publisher
- Oxford University Press (OUP)
- Published
- 1985-01
- Volume
- 52
- Issue
- 1
- Pages
- 107
- ISSN
- 0034-6527 (ISSN-L)
- OpenAlex
- W1873165136
- Cited by
- 424
- References
- 0
- FWCI
- 12.40
- Type
- journal article
- Language
- en
- Open access
- green
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.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Equilibrium with Product Differentiation. https://app.cochat.ai/papers/10.2307/2297473
- The paper
- Perloff, J. M., & Salop, S. C. (1985). Equilibrium with Product Differentiation. The Review of Economic Studies. https://doi.org/10.2307/2297473
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.