In repeated games with imperfect public monitoring, players can use public signals to coordinate their behavior perfectly, and thus support cooperative outcomes with the threat of punishments. But with even a small amount of private monitoring, players' private histories may lead them to have...

We examine an economy in which the cost of consuming some goods can be reduced by making commitments to consumption levels that do not vary across states. For example, moral hazard and matching considerations may make it cheaper to produce housing services via owner-occupied than rented housing,...