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Price Responses to Market Entry With and Without Endogenous Product Choice

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Author Info
Helge Sanner

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Abstract

Textbook wisdom says that competition yields lower prices and higher consumer surplus than monopoly. We show in two versions of a simple location-product differentiation model with and without endogenous choice of products that these two results have to be qualified. In both models, more than half of the reasonable parameter values lead to higher prices with duopoly than with monopoly. If the product characteristics are exogenous to the firms, consumers may even be be better off with monopoly in average.

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Publisher Info
Paper provided by Universität Potsdam, Wirtschafts- und Sozialwissenschaftliche Fakultät in its series Volkswirtschaftliche Diskussionsbeiträge with number 81.

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Date of creation: Nov 2005
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Handle: RePEc:pot:vwldis:81

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Related research
Keywords: Product differentiation Hotelling Price and Welfare Effects of Market Entry

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Find related papers by JEL classification:
L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection

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References listed on IDEAS
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. Jeffrey Perloff & Valerie Suslow & Paul Seguin, 1996. "Higher Prices from Entry: Pricing of Brand-Name Drugs," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series 778, Department of Agricultural & Resource Economics, UC Berkeley. [Downloadable!]
  2. d'Aspremont, C & Gabszewicz, Jean Jaskold & Thisse, J-F, 1979. "On Hotelling's "Stability in Competition"," Econometrica, Econometric Society, vol. 47(5), pages 1145-50, September. [Downloadable!] (restricted)
  3. Keir G. Armstrong, 2004. "A Graphical Depiction of Hicksian Partial-Equilibrium Welfare Analysis," Carleton Economic Papers 04-09, Carleton University, Department of Economics. [Downloadable!]
  4. Steven C. Salop, 1979. "Monopolistic Competition with Outside Goods," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 141-156, Spring. [Downloadable!] (restricted)
  5. Eaton, B Curtis & Lipsey, Richard G, 1978. "Freedom of Entry and the Existence of Pure Profit," Economic Journal, Royal Economic Society, vol. 88(351), pages 455-69, September. [Downloadable!] (restricted)
  6. Novshek, William, 1980. "Equilibrium in simple spatial (or differentiated product) models," Journal of Economic Theory, Elsevier, vol. 22(2), pages 313-326, April. [Downloadable!] (restricted)
  7. Perloff, Jeffrey M. & Suslow, Valerie Y. & Seguin, Paul J., 1996. "Higher prices from entry : pricing of brand-name drugs," CUDARE Working Paper Series 778, University of California at Berkeley, Department of Agricultural and Resource Economics and Policy. [Downloadable!]
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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. Klaus Schöler, 2007. "Gibt es eine optimale Stadtgröße?," Volkswirtschaftliche Diskussionsbeiträge 89, Universität Potsdam, Wirtschafts- und Sozialwissenschaftliche Fakultät. [Downloadable!]
  2. Albrecht Kauffmann, 2007. "Transport Costs and the Size of Cities : the Case of Russia," Volkswirtschaftliche Diskussionsbeiträge 93, Universität Potsdam, Wirtschafts- und Sozialwissenschaftliche Fakultät. [Downloadable!]
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