This paper provides a direct test of the hypothesis that agents' objective functions are non-separable in economic incentives and social preferences. We study experimentally fixed-prize contests using a 2x2 design, varying orthogonally the degree of competition of the incentive mechanism...

This paper presents an experimental comparison of single and multiple-prize all-pay auctions as fundraising mechanisms to finance public goods. We consider a setting characterized by heterogenous incomes and incomplete information, where single and multiple-prize incentive mechanisms are...