In this paper we analyze the frequently observed phenomenon that (i) some members of a team (black sheepʺ) exhibit behavior disliked by other (honest) team members, who (ii) nevertheless refrain from reporting such misbehavior to the authorities (they set up a wall of silenceʺ). Much cited...

Contests are often unfair in the sense that outperforming the rival may not be enough to be the winner, because one contestant is favored by the allocation rule, while the other one is handicapped. We consider a discriminatory contest with handicaps and derive the contestants equilibrium...

In unavoidable traffic accidents, autonomous vehicles (AVs) face the dilemma of protecting either the passenger(s) or third parties. Recent studies show that most people prefer AVs following a utilitarian approach by minimizing total harm. At the same time, however, they would adopt an AV only...