This important volume presents a rich collection of ideas on and insights into the law and economics of contracts. It includes material relevant to a large number of legal fields. Many of the articles are classics that have, over the years, become focal points for continuing debate; others provide an easily accessible account of particular areas. The editor's comprehensive introduction provides an overview of law and economics scholarship in contracts over the past few decades and a portal into an evolving field.Topics include: the economics of contracting; efficient breach and renegotiation; expectation damages and its alternatives; default rules and mass markets.