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Contribution Details

Type Working Paper
Scope Discipline-based scholarship
Title Peer effects at work: The common stock investments of co-workers
Organization Unit
Authors
  • Per Nils Anders Östberg
  • Hans K Hvide
Language
  • English
Institution University of Zurich
Series Name Swiss Finance Institute Research Paper Series
Number 12-34
Number of Pages 43
Date 2012
Abstract Text Stock market behavior of individual investors is highly correlated with stock market behavior of their co-workers. For example, a ten percentage point increase in the fraction of co-workers that purchase stocks in a given month is associated with a two percentage point increase in the likelihood of individuals making a purchase. The high correlation exists even after taking controlling for individual socio-demographic characteristics and for time, stock, zip code, and plant fixed effects. Using data on family relations and on residential zip code, we show that the high correlation is not driven by peer effects at the family or zip code level. Moreover, workplace peer effects appear to be strong relative to geographical peer effects.
Free access at DOI
Official URL http://ssrn.com/abstract=2179095
Digital Object Identifier 10.2139/ssrn.2179095
Other Identification Number merlin-id:7934
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