The purpose of the present article is to continue my part in the debate over property rights in which I have become enmeshed with Harold Demsetz. It all began with the publication of my piece (Block 1977a), which was critical of Coase (1960) and of Demsetz (1966, 1967). The second round...

In this paper, we show that, in 1961 and before he had read "The Problem of Social Cost", Calabresi reached exactly the same conclusions as the one reached by Coase and summarized by Stigler as the "Coase theorem" but he believed that this result was valid only in the theoretical world of the...

This is a survey of legal liability for accidents. Three general aspects of accident liability are addressed. The first is the effect of liability on incentives, both whether to engage in activities (for instance, whether to drive) and how much care to exercise (at what speed to travel) to...

In a full-information, zero transactions costs world, the degree of protection afforded to an entitlement does not affect the likelihood of efficient trade. In reality, imperfect information is often inevitable. Specifically, a party will usually have incomplete information about fairness norms...