信息是博弈论研究中的一个基本概念，而参与人了解信息的程度则是分析古诺博弈模型需要考虑的一个重要问题。本文首先描述了经典的完全信息下古诺产量博弈模型中的参与人完全理性假设，然后讨论了不完全信息下参与人的三种理性预期假设类型，包括幼稚期望、适应性期望和有限理性期望。理论分析得出：不同信息条件下对古诺博弈模型中参与人的理性假设是不同的，进而会影响着模型的建立以及博弈的最终结果。%Information is an essential notion in game theory research. It needs to specially consider how much players know about the market information in analysis of Cournot game model. In this article, it first describes the assumption of complete rationality in Cournot output game based on complete information. It also shows three different expectations of players under incomplete information, including naive expectation, adaptive expectation and bounded rationality. It deduces that the assumption of players’ types differ under differnet information condition and then effect the model result of game.
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