We experimentally investigate the effect of social identification and information feedback on individual behavior in contests. In all treatments we find significant over-expenditure of effort relative to the standard theoretical predictions. Identifying subjects through photo display decreases...

We experimentally investigate the impact of visibility of contributors and cost of information on public good contributions. First, we vary recognizing all, highest or lowest contributors. Second, we investigate the effect of imposing a cost on viewing contributors. Recognizing all contributors...