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代理人信息租金抽取的贝叶斯优化与配置效率均衡分析

, PP. 136-143

Keywords: 委托-代理,信息不对称,逆向选择,契约,贝叶斯规则

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Abstract:

?研究逆向选择下,委托人通过信号辅助改善信息结构后所面临的代理人信息租金抽取与配置效率的均衡决策问题。首先,分析讨论了完全信息下的最优契约和逆向选择下先验分布基础上的次优契约;之后,基于贝叶斯规则,将与代理人相关的外部信号及信号搜集成本纳入委托人的最优规划问题,对后验分布下的均衡变动进行了分析,给出了信号搜集成本可行预算集。研究表明,贝叶斯方法有利于委托人在信息租金与效率扭曲冲突中优化决策,为复杂环境下的实务契约设计逼近激励相容契约提供了量化参考依据。

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