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American Economic Review: Vol. 99 No. 1 (March 2009)

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The Value of Groups

Article Citation

Hargreaves Heap, Shaun P., and Daniel John Zizzo. 2009. "The Value of Groups." American Economic Review, 99(1): 295-323.

DOI: 10.1257/aer.99.1.295

Abstract

We present the results of an experiment that attempts to measure the social value of groups. In the experiment, group membership is induced artificially: subjects interact with insiders and outsiders in trust games and periodically enter markets where they can trade group membership. We find that trust falls with groups because of negative discrimination against outsiders. Against this, however, there is evidence that group membership provides a psychological benefit, albeit one that may induce social inertia. Overall, the welfare effects of groups are at best neutral and could be negative. (JEL: D17, Z13)

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Authors

Hargreaves Heap, Shaun P. (U East Anglia)
Zizzo, Daniel John (U East Anglia)

JEL Classifications

D71: Social Choice; Clubs; Committees; Associations
Z13: Economic Sociology; Economic Anthropology


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