In this paper a tournament between teams (a collective tournament) is analyzed, where each contestant may spend productive effort in order to increase his team's performance or sabotage the members of the opponent team. It is shown that sabotaging the weaker members of a team always decreases...

In many situations, agents take risks by choosing an action that increases their performance immediately, but that potentially leads to a large loss. The current paper studies how such risk-taking behavior depends on the level of competition that the agents face. We study a tournament model and...

Using a promotion signaling model in which wages are realistically shaped by market forces, we analyze how male overconfidence combined with competitive workplace incentives affects gender equality in the labor market. Our main result is that overconfident workers exert more effort to be...