Firm entry, product repositioning and welfare
We show that the entry of a second firm in a horizontally differentiated market (ala Hotelling) may harm consumers as prices increase and consumer's surplus possibly decrease. We first derive the price and the consumer's surplus of a monopoly which is located at the center of the market. When a second firm enters the market the first firm repositions and the two firms locate at their equilibrium points. Although competition adds to variety and increases consumer's surplus, the post entry increase in price may outweight the gains from extra variety and make consumers worse off.
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- Andrew Sweeting, 2007. "Dynamic Product Repositioning in Differentiated Product Markets: The Case of Format Switching in the Commercial Radio Industry," NBER Working Papers 13522, National Bureau of Economic Research, Inc.
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- Austan Goolsbee & Chad Syverson, 2005. "How do Incumbents Respond to the Threat of Entry? Evidence from the Major Airlines," NBER Working Papers 11072, National Bureau of Economic Research, Inc.
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- Zhou Wen, 2006. "A Simple Model of Entry That Increases Price Levels and Price Dispersion," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 6(1), pages 1-14, December.
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- repec:cdl:agrebk:5326 is not listed on IDEAS
- Hinloopen, Jeroen & van Marrewijk, Charles, 1999. "On the limits and possibilities of the principle of minimum differentiation1," International Journal of Industrial Organization, Elsevier, vol. 17(5), pages 735-750, July.
- Yongmin Chen & Michael H. Riordan, 2008. "Price-increasing competition," RAND Journal of Economics, RAND Corporation, vol. 39(4), pages 1042-1058.
- Stiglitz, Joseph E, 1987. "Competition and the Number of Firms in a Market: Are Duopolies More Competitive than Atomistic Markets?," Journal of Political Economy, University of Chicago Press, vol. 95(5), pages 1041-1061, October. Full references (including those not matched with items on IDEAS)
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