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Are Institutional Investors Gambling?——Evidence from Stock-holding Preference and Fund Performance

Abstract

“以小博大”的博彩心理在人们心中根深蒂固,博彩行为也一直伴随着人类社会的发展。这种对小概率事件过度追逐的行为有悖于传统的风险规避经济学假设及期望效用函数理论。在投资决策中,决策者往往表现出对正偏性资产的偏好。鉴于此,关于博彩动机和市场赌博色彩的研究也就成为众多资本市场异象研究的切入点,更是近年来行为金融研究的热点。 我国股市20多年的成长中伴随着较强的投机与泡沫,加之我国博彩文化浓厚,股市似乎提供了一份天然的“试验田”,诸如“消灭低价股”、“概念炒作”等投机性事件频发,许多投资者寄望于快买快卖,以小博大,此类投机心理为整体资本市场的健康发展带来了隐患。这种非理性投资行为是出于怎样的动机?具有...Gambling and speculation play an important role in financial markets. This excessive preference for small probability event goes against the economic assumption of “risk aversion” and the expected utility function. Researches on how gambling affects stock markets have become an entry point to explain anomalies in capital market, and it has become a hot issue in behavioral finance as well. During ...学位:管理学硕士院系专业:管理学院_财务学学号:3212012115056

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