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Product Diversity in Asymmetric Oligopoly:Is the Quality of Consumer Goods Too Low?

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Author Info

  • Anderson,S.P.
  • de Palma,A.

Abstract

We analyze an oligopoly model with horizontal di¤erentiation and quality di¤erences. High quality goods are over-priced and under-produced. When the market is fairly covered, low quality products may be pro…table when their social contribution is negative, leading to too many products in equilibrium. In a relatively uncovered market, even low quality goods are under-produced and there may be too few entrants. However, when …xed costs di¤er across qualities, the market may produce low quality goods when it should produce high quality ones. The model is calibrated using market data for yoghurt.

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Bibliographic Info

Paper provided by Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor. in its series Papers with number 9521.

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Length: 20 pages
Date of creation: 1995
Date of revision:
Handle: RePEc:fth:pnegmi:9521

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Postal: THEMA, Universite de Paris X-Nanterre, U.F.R. de science economiques, gestion, mathematiques et informatique, 200, avenue de la Republique 92001 Nanterre CEDEX.

Related research

Keywords: OLIGOPOLIES; GOODS; QUALITY STANDARDS;

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  1. Raymond Deneckere & Michael Rothschild, 1986. "Monopolistic Competition and Preference Diversity," Discussion Papers 684, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  2. ANDERSON, Simon P. & DE PALMA, André & NESTEROV, Yurii, 1994. "Oligopolistic Competition and the Optimal Provision of Products," CORE Discussion Papers 1994034, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Spence, Michael, 1976. "Product Selection, Fixed Costs, and Monopolistic Competition," Review of Economic Studies, Wiley Blackwell, vol. 43(2), pages 217-35, June.
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