In a moral hazard framework, an agent considers undertaking a task of uncertain difficulty. An immediate disclosure of the task’s difficulty by the principal convinces the agent to perform only easy tasks. By contrast, information design theory predicts that delayed disclosure can induce the...

Trust is an essential component of good social outcomes and effective economic performance. This is particularly true in environments such as the Prisoner's Dilemma or standard public-goods games, where the equilibrium in a one-shot case involves strictly uncooperative behavior. Evolutionary...