Identification Of Interaction Effects In Survey Expectations: A Cautionary Note

A growing body of literature reports evidence of social interaction effects in survey expectations. In this paper, the authors argue that evidence in favor of social interaction effects should be treated with caution, or could even be spurious. Utilizing a parsimonious stochastic model of expectation formation and dynamics, they show that the existing sample sizes of survey expectations are about two orders of magnitude too small to reasonably distinguish between noise and interaction effects. Moreover, they argue that the problem is compounded by the fact that highly correlated responses among agents might not be caused by interaction effects at all, but instead by model-consistent beliefs.

Provided by: Munich Personal Repec Archive Topic: Social Enterprise Date Added: Oct 2010 Format: PDF

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