We consider a general adverse selection model as an optimal control problem with mixed constraints. We prove that under broad conditions the optimal contract exists and is continuous.

A new theory of limit pricing is provided which works through the vertical contract signed between an incumbent manufacturer and a retailer. We establish conditions under which the incumbent can obtain full monopoly profits, even if the potential entrant is more efficient. A key feature of the...

We establish the entry-deterring role of vertical contracts in a setting that does not rely on asymmetric information, the exclusivity of the incumbent’s contracts, limits on distribution channels, or restrictions on the ability to renegotiate contracts in case of entry. The optimal contract...

We present a Theory of Contracts under costly enforcement in the context of a dynamic relationship between an uninformed buyer and a seller who is privately informed on his persistent cost at the outset. Public enforcement relies on remedies for breach. Private enforcement comes from severing...

In this paper I consider a repeated buyer-seller relationship wherein a seller has private information on his fixed cost parameter. Once a buyer pays for the good - but before its delivery - he may fear opportunistic behavior by the seller; the latter may prefer not to produce, in which case he...

We use a unique detailed database with individual state campaign contributions made by banks in U.S. from 1998 to 2010 to understand how these contributions influence the regulation of the banking industry in that state, and in particular the approval of bank mergers by the state banking...