The efficiency of competitive equilibria in insurance markets with asymmetric information |
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| Authors: | Keith J Crocker Arthur Snow |
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| Institution: | University of Virginia, Charlottesville, VA 22901, USA;Georgetown University, Washington, DC 20057, USA |
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| Abstract: | This paper addresses the relationship between competitive equilibria and efficient allocations in an insurance market with asymmetric information. Using the definition of second-best efficiency proposed by Harris and Townsend (1981) for environments characterized by informational assmmetry, the efficiency properties of several proposed market equilibria are examined. We find an analogue to the First Optimality Theorem: A Miyazaki-Wilson equilibrium always results in a second best allocation. |
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