The law and economics movement has transformed the analysis of private law in the United States and increasingly around the world. As the field developed from 1970 to the early 2000s, scholars have developed countless insights about the operation and effects of law and legal institutions....

The design of legal obligations, whether by a public body such as a legislature or by private contract, should anticipate the enforcement process that induces compliance. Judicial enforcement is costly and imperfect, largely because of limits on the court's ability to detect facts accurately. In...