Alpizar, Francisco () (Environment for Development Center, Tropical Agricultural and Higher Education Center (CATIE)) Carlsson, Fredrik () (Department of Economics, School of Business, Economics and Law, Göteborg University) Johansson-Stenman, Olof () (Department of Economics, School of Business, Economics and Law, Göteborg University)
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We investigate the importance of the social context for people’s voluntary contributions to a national park in Costa Rica, using a natural field experiment. Some subjects make actual contributions while others state their hypothetical contribution. Both the degree of anonymity and provided information about the contributions of others influence subject contributions in the hypothesized direction. We do find a substantial hypothetical bias with regard to the amount contributed. However, the influence of the social contexts is about the same when the subjects make actual monetary contributions as when they state theirhypothetical contributions. Our results have important implications for validity testing of stated preference methods: a comparison between hypothetical and actual behavior should be done for a given social context.
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Paper provided by Göteborg University, Department of Economics in its series Working Papers in Economics with number
251.
Length: 19 pages Date of creation: 19 Apr 2007 Date of revision: Handle: RePEc:hhs:gunwpe:0251
Contact details of provider: Postal: Department of Economics, School of Business, Economics and Law, Göteborg University Box 640, SE 405 30 GÖTEBORG, Sweden Phone: 031-773 10 00 Web page: http://www.handels.gu.se/econ/ More information through EDIRC
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Glenn W. Harrison & John A. List, 2004.
"Field Experiments,"
Journal of Economic Literature,
American Economic Association, vol. 42(4), pages 1009-1055, December.
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