We report evidence from an experiment where a principal chooses an agent out of two to perform a task for a fixed compensation. The principal's payoff depends on the agent's ex-ante ability and on a non-contractible effort that the agent has to exert once employed. We find that a significant...

We report evidence from an experiment where a principal chooses an agent out of two to perform a task for a fixed compensation. The principal's payoff depends on the agent's ex-ante ability and on a non-contractible effort that the agent has to exert once employed. We find that a significant...