Evolutionary Theory and the Origin of Property Rights
James E. Krier
University of Michigan Law School
November 18, 2009
Cornell Law Review, Vol. 95, p. 139, 2009
U of Michigan Law & Economics, Olin Working Paper No. 09-006
U of Michigan Public Law Working Paper No. 147
Legal scholars have never settled on a satisfactory account of the evolution of property rights. The touchstone for virtually all discussion, Harold Demsetz's Toward a Theory of Property Rights, has a number of well-known (and not so well-known) shortcomings, perhaps because it was never intended to be taken as an evolutionary explanation in the first place. There is, in principle at least, a pretty straightforward fix for the sort of evolutionary approach pursued by followers of Demsetz, but even then that approach - call it the conventional approach - fails to account for very early property rights, right at the genesis. The early developments are better explained by a very different approach based on evolutionary game theory. The game theoretic approach can account for a basic system of property rights rooted in possession; it cannot, however, account for complex property systems. To explain the latter requires the conventional approach. Hence, the two approaches combined suggest a satisfactory account of the origins and development of property rights systems.
Number of Pages in PDF File: 23
Keywords: Harold Demsetz, property rights, evolutionarily stable strategy (ESS)
JEL Classification: K00, K11Accepted Paper Series
Date posted: April 8, 2009 ; Last revised: November 19, 2009
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