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Mark Twain's Cat: Investment experience, categorical thinking, and stock selection

机译:马克吐温的猫:投资经验,分类思维和选股

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This paper examines the effect of prior investment experience in specific industries on subsequent investment decisions. Using households' trading records from a large discount broker between 1991 and 1996, I find that prior success in a given industry increases the likelihood of subsequent purchases in the same industry. The effect is stronger for more recent experiences and for less sophisticated or diversified investors, and it is not wealth enhancing. The results suggest investors categorize industries at a highly resolved level, finer than the Fama-French ten-industry classification. Similar effects are also apparent for size- and value-based categories but at smaller magnitudes. (C) 2018 Elsevier B.V. All rights reserved.
机译:本文研究了特定行业的先前投资经验对后续投资决策的影响。通过使用1991年至1996年间一家大型折扣经纪公司的家庭交易记录,我发现,在给定行业中先行获得成功会增加随后在同一行业中进行购买的可能性。对于较新的经验以及对经验不足或多元化的投资者而言,这种影响会更大,并且不会增加财富。结果表明,投资者对行业的分类程度很高,比Fama-French的十大行业分类要好。类似的效果对于基于大小和值的类别也很明显,但幅度较小。 (C)2018 Elsevier B.V.保留所有权利。

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