We examine how a principal implements a joint forcing contract for a team of two agents, whose joint product determines the value of the principal's asset. We focus on the "agents' problem": whether to contribute to a public good when one's costly contribution is unobservable. Our experiments...

We consider non-cooperative bargaining over a fixed surplus between two groups that may differ in size and the supermajority threshold they employ for within-group ratification. We find that total allocation to a group does not depend on group size and increases with the supermajority threshold....