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Price Competition in Multimarket Duopolies

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Author Info
Rajiv Lal
Carmen Matutes
Abstract

In this article, we analyze the pricing strategies of firms that compete for the demand of an assortment of goods in a complete information static framework. In particular, we model the competition between two symmetric firms in a market that consists of two types of consumers, each of which may buy one unit of both goods sold by the two firms. We show that all Nash equilibria are such that neither firm charges the same price for both goods. Interestingly, under certain conditions, the firms jointly price discriminate between the two types of consumers and may even achieve the same level of profits as if they maximized joint profits; for another set of conditions, the unique equilibrium is such that the price for one of the goods and the price for the bundle are the same as the price of the good in a standard Hotelling model with one good. Finally, we show that if these equilibria exist, both firms prefer to sell both goods rather than specialize in either one of them. These results are a direct consequence of the interplay between the multimarket rivalry and the existence of more than one market segment, as modelled in this article.

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Publisher Info
Article provided by The RAND Corporation in its journal RAND Journal of Economics.

Volume (Year): 20 (1989)
Issue (Month): 4 (Winter)
Pages: 516-537
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Handle: RePEc:rje:randje:v:20:y:1989:i:winter:p:516-537

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  1. Bing Jing, 2007. "Product differentiation under imperfect information: When does offering a lower quality pay?," Quantitative Marketing and Economics, Springer, vol. 5(1), pages 35-61, March. [Downloadable!] (restricted)
  2. repec:bep:eaptop:v:3:y:2003:i:1:p:1176-1176 is not listed on IDEAS
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  3. Saul Lach, 2002. "Existence and Persistence of Price Dispersion: an Empirical Analysis," NBER Working Papers 8737, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  4. Glenn Ellison, 2004. "A Model of Add-on Pricing," Economics Working Papers 0049, Institute for Advanced Study, School of Social Science. [Downloadable!]
    Other versions:
  5. Connor, John M., 1999. "Evolving Research On Price Competition In The Grocery Retailing Industry: An Appraisal," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 28(2), October. [Downloadable!]
  6. Ting Zhu & Vishal Singh & Anthony J. Dukes, 2005. "Local Competition and Impact of Entry by a Dominant Retailer," CIE Discussion Papers 2005-05, University of Copenhagen. Department of Economics. Centre for Industrial Economics. [Downloadable!]
  7. Daniel Hosken & David Reiffen, 2004. "How Retailers Determine Which Products Should Go on Sale: Evidence From Store-Level Data," Journal of Consumer Policy, Springer, vol. 27(2), pages 141-177, June. [Downloadable!] (restricted)
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