Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/69287

TitlePropensity to sell stocks in an artificial stock market
Author(s)Prates, Wlademir
Costa Jr, Newton da
Armada, Manuel José da Rocha
Silva, Sergio da
Issue date2019
PublisherPublic Library of Science (PLOS)
JournalPLoS ONE
Abstract(s)This experimental study of an artificial stock market investigates what explains the propensity to sell stocks and thus the disposition effect. It is a framed field experiment that follows the steps of a previous observational study of investor behavior in the Finnish stock market. Our experimental approach has an edge over the observational study in that it can control extraneous variables and two or more groups can be compared. We consider in particular the groups of amateur students and professional investors because it is well established in the literature that the disposition effect is less pronounced in professionals. The disposition effect was measured by both the traditional metric and a broader one that properly considers return intervals. A full logit model with control variables was employed in the latter case. As a result, we replicate for the broader definition what already has been found for the traditional measure: that investor experience dampens the disposition effect. Trades with positive returns exhibited higher propensity to sell than trades with negative returns. For the overall sample of participants, we find the disposition effect cannot be explained by prospect theory, but we cast doubt on this stance from partitions of data from amateurs and professionals.
TypeArticle
URIhttps://hdl.handle.net/1822/69287
DOI10.1371/journal.pone.0215685
ISSN1932-6203
e-ISSN1932-6203
Peer-Reviewedyes
AccessOpen access
Appears in Collections:NIPE - Artigos em Revistas de Circulação Internacional com Arbitragem Científica

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