When can you cheat some people without damaging your reputation among others? In a trust game between a firm and a series of individuals from two groups of different sizes, the firm has more incentive to cheat minority individuals because trade with the minority is less frequent and the...

In signalling environments ranging from consumption to education, high-quality senders often shun the standard signals that should separate them from lower-quality senders. We find that allowing for additional, noisy information on sender quality permits equilibria where medium types signal to...

School entrance examinations are both an incentive system to motivate students and a screening device to identify students with the most potential. To maximize incentives to acquire knowledge, exams should only reward achievement. But to identify the most able students, exams should also reward...

The idea that profit sharing increases employment has been widely tested, but the theoretical basis for the claim is weak and the empirical results are ambiguous. This paper shows that employee stock ownership based on individually-held stakes avoids the problems of traditional profit sharing....