Oligopolistic Competition and the Optimal Provision of Products
AbstractThis paper considers the theory of market versus optimal product diversity in the light of two recent advances in oligopoly theory. The first is the development of discrete choice models to describe heterogeneous consumer tastes, and the application of such models to oligopolistic competition. The second advance is the proof that logconcavity of the consumer taste density guarantees the existence of a price equilibrium. Our main result is that logconcavity implies excessive product variety. This result extends to price-sensitive individual conditional demands, and calls into question previous results in the literature which left open the possibility of insufficient variety.
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Bibliographic InfoPaper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 1994034.
Date of creation: 01 Aug 1994
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Other versions of this item:
- Anderson, Simon P & de Palma, Andre & Nesterov, Yurii, 1995. "Oligopolistic Competition and the Optimal Provision of Products," Econometrica, Econometric Society, vol. 63(6), pages 1281-1301, November.
- Anderson, S. P. & De Palma, A. & Nesterov, Y., . "Oligopolistic competition and the optimal provision of products," CORE Discussion Papers RP -1179, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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