Living in Two Neighborhoods: Social Interactions in the Lab

Armin Falk (), Urs Fischbacher and Simon Gächter ()

No 1381, IZA Discussion Papers from Institute for the Study of Labor (IZA)

Abstract: Field evidence suggests that people belonging to the same group often behave similarly, i.e., behaviour exhibits social interaction effects. We conduct an experiment that avoids the identification problem present in the field. Our novel design feature is that each subject simultaneously is a member of two randomly assigned and identical groups where only members (‘neighbours’) are different. In both groups subjects contribute to a public good. We speak of social interactions if the same subject at the same time makes group-specific contributions that depend on their respective neighbours’ contribution. We find that a majority of subjects exhibits social interaction effects.

Keywords: social interactions; identification; experiments (search for similar items in EconPapers)
JEL-codes: C91 H41 K42 H26 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cbe, nep-law and nep-ure
Date: 2004-11
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Working Paper: Living in Two Neighborhoods - Social Interactions in the Lab
Working Paper: Living in Two Neighborhoods -- Social Interactions in the LAB (2003)
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