Conjectural Equilibria and Rationalizability in a Game with Incomplete Information

Conjectural Equilibria and Rationalizability in a Game with Incomplete Information
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不完全信息博弈中的猜想均衡性和合理性

DOI:
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发表时间:
1997
期刊:
影响因子:
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通讯作者:
Danilo Guaitoli
Danilo Guaitoli
中科院分区:
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文献类型:
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作者:
Pierpaolo Battigalli;Danilo Guaitoli

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为了分析不完全信息下的广泛博弈,在放弃共同先验假设的情况下,引入了猜想均衡和合理化。我们提供了一个宏观经济的例子,它清楚地说明了参与者的结构和行为特征的关键作用:不同的预期模式产生了不同的均衡和非均衡路径(其中一些具有凯恩斯式的低效率)。理性化路径可能会收敛到某种理性均衡,但不一定会收敛到完全信息理性预期均衡。
Conjectural equilibria and rationalizability are introduced in order to analyze extensive games with incomplete information when the common prior assumption is dropped. We provide a macroeconomic example which clearly illustrates the crucial role of players’ structural and behavioral conjectures: different equilibrium and disequilibrium paths (some with keynesian type inefficiencies) are generated by different expectations patterns. Convergence of rationalizable paths to some conjectural equilibrium may occur, but not necessarily to a full information-rational expectations one.