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Debreu’s social equilibrium theorem with asymmetric information and a continuum of agents

机译:Debreu的社会均衡定理,信息不对称,主体连续

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We provide several different generalizations of Debreu’s social equilibrium theorem by allowing for asymmetric information and a continuum of agents. The results not only extend the ones in Kim and Yannelis (J Econ Theory 77:330–353, 1977), Yannelis and Rustichini (Stud Econ Theory 2:23–48, 1991), but also new theorems are obtained which allow for a convexifying effect on aggregation (non-concavity assumption on the utility functions) and non-convex strategy sets (pure strategies). This is achieved by imposing the assumption of “many more agents than strategies” (Rustichini and Yannelis in Stud Econ Theory 1:249–265, 1991; Tourky and Yannelis in J Econ Theory 101:189–221, 2001; Podczeck in Econ Theory 22:699–725, 2003).
机译:通过考虑信息不对称和主体的连续性,我们提供了德布鲁社会均衡定理的几种不同概括。结果不仅扩展了Kim和Yannelis(J Econ Theory 77:330-353,1977),Yannelis和Rustichini(Stud Econ Theory 2:23-48,1991)中的定理,而且获得了新的定理,使得对聚合(效用函数的非凹假设)和非凸策略集(纯策略)产生凸化作​​用。这是通过强加“行为主体多于策略”的假设来实现的(Rustichini和Yannelis,《梭子经济理论》 1:249–265,1991; Tourky和Yannelis,《经济学理论》 101:189–221,2001; Podczeck的《经济学理论》)。 22:699–725,2003年)。

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