Free entry and welfare with price discrimination
We show that if firms in an industry engage in third-degree price discrimination, the number of firms in the free-entry equilibrium may be inefficiently low. This result is obtained even with set up costs and a price above marginal cost. We discuss the relevant implications that our result has for policy design.
Volume (Year): 31 (2011)
Issue (Month): 4 ()
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- Kotaro Suzumura & Kazuharu Kiyono, 1987. "Entry Barriers and Economic Welfare," Review of Economic Studies, Oxford University Press, vol. 54(1), pages 157-167.
- Arghya Ghosh & Hodaka Morita, 2007. "Free entry and social efficiency under vertical oligopoly," RAND Journal of Economics, RAND Corporation, vol. 38(2), pages 541-554, 06.
- C.C. von Weizsaker, 1980. "A Welfare Analysis of Barriers to Entry," Bell Journal of Economics, The RAND Corporation, vol. 11(2), pages 399-420, Autumn.
- Armstrong, Mark, 2006. "Price discrimination," MPRA Paper 4693, University Library of Munich, Germany.
- Ghosh, Arghya & Morita, Hodaka, 2007. "Social desirability of free entry: A bilateral oligopoly analysis," International Journal of Industrial Organization, Elsevier, vol. 25(5), pages 925-934, October.
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