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Is Perfect Price Discrimination Really Efficient? An Analysis of Free Entry Equilibria

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Author Info
V. Bhaskar (University of Essex, Wivenhoe)
Ted To (Bureau of Labor Statistics)

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Abstract

We analyze models of product differentiation with perfect price discrimination and free entry. Although perfect price discrimination ensures efficient output decisions given product characteristics, coordination failures may prevent efficiency in the choice of product characteristics. More fundamentally, even if we have efficient product choices for a fixed number of firms, one always has excessive entry in free entry equilibrium. Our results apply to a large class of models of product differentiation including location models as well as representative consumer models of the demand for variety. These results also apply to models of common agency or lobbying with free entry and imply that one has excessive entry into the ranks of lobbyists.

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Paper provided by EconWPA in its series Industrial Organization with number 0004011.

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Length: 22 pages
Date of creation: 13 Dec 2000
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Handle: RePEc:wpa:wuwpio:0004011

Note: Type of Document - LaTeX; prepared on IBM PC - PC-TEX; to print on any; pages: 22 + title
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Related research
Keywords: price discrimination; efficiency; free entry; product differentiation;

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Find related papers by JEL classification:
L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
L2 - Industrial Organization - - Firm Objectives, Organization, and Behavior
D4 - Microeconomics - - Market Structure and Pricing

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    Other versions:
  3. Kenneth S. Corts, 1998. "Third-Degree Price Discrimination in Oligopoly: All-Out Competition and Strategic Commitment," RAND Journal of Economics, The RAND Corporation, vol. 29(2), pages 306-323, Summer. [Downloadable!] (restricted)
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    Other versions:
  6. Varian, Hal R., 1989. "Price discrimination," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 10, pages 597-654 Elsevier. [Downloadable!] (restricted)
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  9. Stole, Lars A, 1995. "Nonlinear Pricing and Oligopoly," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 4(4), pages 529-62, Winter.
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  11. Laussel, Didier & Le Breton, Michel, 1996. "Complements and substitutes in common agency," Ricerche Economiche, Elsevier, vol. 50(4), pages 325-345, December. [Downloadable!] (restricted)
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  14. Rochet, Jean-Charles & Stole, Lars A, 2002. "Nonlinear Pricing with Random Participation," Review of Economic Studies, Blackwell Publishing, vol. 69(1), pages 277-311, January.
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  18. Armstrong, Mark & Vickers, John, 2001. "Competitive Price Discrimination," RAND Journal of Economics, The RAND Corporation, vol. 32(4), pages 579-605, Winter.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. V. Bhaskar & Alan Manning & Ted To, 2002. "Oligopsony and Monopsonistic Competition in Labor Markets," Journal of Economic Perspectives, American Economic Association, vol. 16(2), pages 155-174, Spring. [Downloadable!] (restricted)
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