This paper investigates the hypothesis that the objective function of economic agents is non-separable in economic incentives and social preferences. We study fixed-prize contests in a 2×2 experimental design, varying orthogonally the degree of competition of the incentive mechanism (all-pay...

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...