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Peer Effects in Risk Taking

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  • Amrei M. Lahno
  • Marta Serra-Garcia

Abstract

We examine peer effects in risk taking with complete information and compare explanations for peer effects based on relative payoff concerns to explanations that allow peer choices to matter. We vary experimentally whether individuals can condition a simple lottery choice on the lottery choice, lottery allocation or an unrelated act of a peer. We find that peer effects increase significantly, almost double, when peers make choices, relative to when they are allocated a lottery. In contrast, peer effects are equally strong when individuals can condition on the lottery allocation or unrelated act of the peer. Further, imitation is the most frequent form of peer effect. Hence, peer effects in our environment are explained by a combination of relative payoff concerns and preferences that depend on peer choices. Comparative statics analyses and structural estimation results suggest that a norm to conform to the peer may explain why peer choices matter.

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Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 4057.

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Date of creation: 2012
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Handle: RePEc:ces:ceswps:_4057

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Keywords: peer effects; decision making under risk; social comparison; laboratory experiment;

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  1. Peer Effects in Risk Taking
    by inobrec in Knowledge Team on 2013-01-09 13:04:46
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Cited by:
  1. Spiros Bougheas & Jeroen Nieboer & Martin Sefton, 2013. "Risk-taking in social settings: Group and peer effects," Discussion Papers, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham 2013-04, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
  2. Alexia Delfino & Luigi Marengo & Matteo Ploner, 2013. "I Did it Your Way. An Experimental Investigation of Peer Effects in Investment Choices," CEEL Working Papers, Cognitive and Experimental Economics Laboratory, Department of Economics, University of Trento, Italia 1305, Cognitive and Experimental Economics Laboratory, Department of Economics, University of Trento, Italia.
  3. Kocher, Martin G. & Krawczyk, Michal & Le Lec, Fabrice, 2013. "Sharing or gambling? On risk attitudes in social contexts," Discussion Papers in Economics, University of Munich, Department of Economics 17383, University of Munich, Department of Economics.
  4. Spiros Bougheas & Jeroen Nieboerr & Martin Sefton, . "Risk Taking and Information Aggregation in Groups," Discussion Papers, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham 2014-09, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.

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