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Testing For "Monopoly" Equilibrium

Panzar, John C., Rosse, James N.·1987·The Journal of Industrial Economics

Abstract

This paper develops a very general test for "monopoly." Using standard comparative statics analysis, the authors derive testable restrictions on the firm's reduced-form revenue equation which must be satisfied by any profit-maximizing firm whose choices are not affected by either strategic interactions or the threat of entry. For such an unfettered monopolist, the sum of the factor price elasticities of the reduced-form revenue equation must be nonpositive. The set of interesting alternative hypotheses is not empty. The authors develop simple models of oligopolistic, competitive, and monopolistically-competitive markets for which this test statistic may take on positive values. Copyright 1987 by Blackwell Publishing Ltd.

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Metadata

Authors
Panzar, J. C., & Rosse, J. N.
Venue
The Journal of Industrial Economics
Publisher
JSTOR
Published
1987-06
Volume
35
Issue
4
Pages
443
ISSN
0022-1821 (ISSN-L)
OpenAlex
W1970802204
Cited by
1,363
References
0
FWCI
6.96
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Testing For "Monopoly" Equilibrium. https://app.cochat.ai/papers/10.2307/2098582
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Panzar, J. C., & Rosse, J. N. (1987). Testing For "Monopoly" Equilibrium. The Journal of Industrial Economics. https://doi.org/10.2307/2098582

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.