The optimal duration of a supply contract balances the costs of re-selecting a supplier against the costs of being … matched to an inefficient supplier when the contract lasts too long. I develop a structural model of contract duration that …

The paper studies competition for the market in a setting where incumbents (and, to a lesser extent, neighboring …

tendency to choose more 'generous' (and more efficient) contract menus over time. Competition leads to a substantially higher …"We devise an experiment to explore the effect of different degrees of competition on optimal contracts in a hidden … can select one of three agents, while in a third treatment an agent may choose between the contract menus offered by two …