Multiplicity of equilibria in search markets with free entry and exit
In this paper I identify an instance of multiplicity of equilibria, in search markets with production cost heterogeneity. I show that if firms may enter or exit the market, there may be multiple equilibria. I provide a monotonicity property, which is necessary and sufficient for uniqueness. Multiplicity vanishes as the search cost gets small. Multiple equilibria can be ranked by welfare.
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- Pereira, Pedro, 2001. "Market power, cost reduction and consumer search," International Journal of Industrial Organization, Elsevier, vol. 19(9), pages 1457-1473, November.
- Michael Rothschild, 1974. "Searching for the Lowest Price When the Distribution of Prices Is Unknown: A Summary," NBER Chapters,in: Annals of Economic and Social Measurement, Volume 3, number 1, pages 293-294 National Bureau of Economic Research, Inc.
- MacMinn, Richard D, 1980. "Search and Market Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 88(2), pages 308-327, April. Full references (including those not matched with items on IDEAS)
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