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...

This paper develops a theory of umbrella branding as a way to link the reputations of otherwise unrelated products. The analysis predicts that umbrella branding can credibly signal positive correlation between the qualities of the included products to consumers, but cannot certify high quality...