We consider the dynamic private provision of funds to projects that generate public benefits. Participants have complete information about the environment, but imperfect information about individual actions: each period they observe only the aggregate contribution. Each player may contribute any...

We analyze a multiple-activity principal-agent model in which the activities are naturally substitutable for the agent and complementary for the principal. A basic result is that the optimal compensation mechanism must cause the agent to view the activities as complements. This complementarity...

We analyze a multiple-activity, principal-agent model in which the activities are naturally substitutable for the agent and complementary for the principal. A basic result is that the optimal compensation must cause the agent to view the activities as complements. This complementarity is...

We investigate cartelists’ merger behavior using European Commission (EC) cartel decisions over a 28-year span and information on cartelists’ merger activities over the last 30 years. We find that mergers occur frequently. But they cluster in a few particular industries and usually include...

We investigate cartelists' merger behavior using European Commission (EC) cartel decisions over a 28-year span and information on cartelists' merger activities over the last 30 years. We find that mergers occur frequently but that they cluster in a few particular industries and usually include...