Pricing, product diversity, and search costs: a Bertrand-Chamberlin-Diamond model
AbstractWe study price competition in the presence of search costs and product differentiation. The limit cases of the model are the ‘‘Bertrand Paradox,’’ the ‘‘Diamond Paradox,’’ and Chamberlinian monopolistic competition. Market prices rise with search costs and decrease with the number of firms. Prices may initially fall with the degree of product differentiation because more diversity leads to more search and hence more competition. Equilibrium diversity rises with search costs, while the optimum level falls, so entry is excessive. The market failure is most pronounced for low preference for variety and high search costs.
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Bibliographic InfoPaper provided by University of Virginia, Department of Economics in its series Virginia Economics Online Papers with number 335.
Length: 17 pages
Date of creation: Jan 1999
Date of revision:
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Web page: http://www.virginia.edu/economics/home.html
Other versions of this item:
- Simon P. Anderson & Regis Renault, 1999. "Pricing, Product Diversity, and Search Costs: A Bertrand-Chamberlin-Diamond Model," RAND Journal of Economics, The RAND Corporation, vol. 30(4), pages 719-735, Winter.
- Anderson, S.P. & Renault, R., 1997. "Pricing, Product Diversity and Search Costs: A Bertrand-Chamberlin-Diamond Model," Papers 97.481, Toulouse - GREMAQ.
- D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
- D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
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