In trials witnesses often slant their testimony in order to advance their own interests. To obtain truthful testimony, the law relies on cross-examination under threat of prosecution for perjury. We show that perjury law is an imperfect truthrevealing mechanism. Moreover, we develop a...

In standard models of contracts, efficient incentives require the promisor to pay damages for nonperformance and the promisee to receive no damages. To give efficient incentives to both parties, we propose a novel contract requiring the promisor to pay damages for nonperformance to a third...

Anti-Sharing may solve the sharing problem of teams: the team members promise a fixed payment to the Anti-Sharer. He collects the actual output and pays out its value to them. We prove that the internal Anti- Sharer is unproductive in equilibrium.

Many Americans donate little or nothing to charity, but according to Robert Cooter and Brian Broughman, our social environment is the cause, not human nature. They propose a small policy change to increase transparency and elicit generosity inspired by experimental evidence about the nature of...

This article develops an economic theory of expressive law. By expressing social values, law can tip a system of social norms into a new equilibrium. This process can create or destroy a social norm without changing individual values. In addition, law can change the individual values of rational...

The total social harm caused by everyone is often verifiable, and the harm that each actor causes is often unverifiable. In these circumstances, the authorities lack the information necessary to implement the usual liability rules or externality taxes. We propose a novel solution: hold each...

When legal and social norms regulate the same behavior, an act can trigger both legal and nonlegal sanctions. Should courts deduct the nonlegal sanction suffered by the wrongdoer from damages owed to the victim? We provide the answer for a legal system that seeks to minimize social costs....