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基于非理性行为的羊群效应分析:一个简单模型 被引量:14

Study of Herding Based on Irrational Behavior:A Simple Model
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摘要 本文在序贯交易的框架内用一个简单的模型分析了证券市场上的非理性交易行为怎样引起交易者之间的羊群行为。研究结论表明:若证券市场上所有的参与者完全理性且风险中性,则市场上不会出现羊群交易行为;相反,即便在一维不确定性下,交易者的非理性交易行为可能引起羊群效应。 In this paper,we establish a simple model to study how the irrational behavior can originate herding in security market within the sequential trading framework.The result indicates that herding never occurs in market if all the participants are perfectly rational;On the contrary,even if uncertainty has one dimension,irrational behavior of trader may induce herding in the market.
作者 李平 曾勇
出处 《中国管理科学》 CSSCI 2004年第3期34-37,共4页 Chinese Journal of Management Science
基金 教育部优秀青年教师资助计划项目(教人司[2003]355号)
关键词 非理性行为 羊群效应 序贯交易 私人信息 irrational behavior herding sequential trading private information
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