The economic analysis of property has made progress in areas of property closest to contracts and torts, where the assumption that legal rules can be studied in isolation has some plausibility. Property law is a system, and economic analysis can be used to capture the role of traditional notions...

This text presents a simple contracting model that captures the role of equity as a safety valve, and shows how it can solve problems posed by opportunists. It also shows that it is often preferable to limit equity, reserving it for use only against those who appear sufficiently likely to be...