It is difficult to test the prediction that future career prospects create implicit effort incentives because researchers cannot randomly “assign” career prospects to economic agents. To overcome this challenge, we use data from professional soccer, where employees of the same club face...

It is difficult to test the prediction that future career prospects create implicit effort incentives because researchers cannot randomly “assign” career prospects to economic agents. To overcome this challenge, we use data from professional soccer, where employees of the same club face...

Empirically, compensation systems generate substantial effort despite weak monetary incentives. We consider reciprocal motivations as a source of incentives. We solve for the optimal contract in the basic principal-agent problem and show that reciprocal motivations and explicit performance-based...