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An Efficient Mechanism for Competitive Markets with Adverse Selection

Anastasios Dosis 1, 2
ESSEC Business School, Economics Department
Abstract : I construct an efficient mechanism for competitive markets with adverse selection. In the mechanism, each company offers two menus of contracts: a public menu and a private menu. The union of all the public menus needs to be offered by every active company in the market. On the contrary, a private menu concerns only the company that offers it. I show that this simple mechanism reduces the set of profitable deviations to the extent that a pure-strategy equilibrium exists in every market with adverse selection. Furthermore, I characterise general, well-studied environments in which the set of equilibrium allocations coincides with the set of efficient allocations.
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Submitted on : Friday, March 4, 2016 - 12:34:25 PM
Last modification on : Monday, December 13, 2021 - 11:46:36 AM
Long-term archiving on: : Sunday, June 5, 2016 - 10:30:16 AM


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Anastasios Dosis. An Efficient Mechanism for Competitive Markets with Adverse Selection. 2016. ⟨hal-01282772⟩



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