An individual level analysis of the disposition effect : empirical and experimental evidence

Weber, Martin ; Welfens, Frank

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URN: urn:nbn:de:bsz:180-madoc-25236
Document Type: Working paper
Year of publication: 2007
The title of a journal, publication series: None
Publication language: English
Institution: School of Law and Economics > Sonstige - Fakultät für Rechtswissenschaft und Volkswirtschaftslehre
MADOC publication series: Sonderforschungsbereich 504 > Rationalitätskonzepte, Entscheidungsverhalten und ökonomische Modellierung (Laufzeit 1997 - 2008)
Subject: 330 Economics
Classification: JEL: G12 G11 D81 D14 C92 C91 ,
Subject headings (SWD): Anlageverhalten , Bias , Wertpapierhandel , Prospect-Theorie , Test
Abstract: We test empirically and experimentally for individual differences, stability, and learning in individual level disposition effects. While we observe the disposition effect on aggregate, the extent to which a single decision maker is affected varies considerably across investors. We find overwhelming evidence for stability of individual disposition effects both within and across tasks, as well as across time. Learning, nevertheless, attenuates the magnitude of the effect strongly within tasks and over time. In accordance with prior research, we document that frequent traders sell their winners less and their losers more often, resulting in lower disposition effects. We also document evidence that the magnitude of the bias depends on the length of the holding period.
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