Opportunities and limits for the evolution of property rights institutions / Thráinn Eggertsson -- The variety of property systems and rights in natural resources / Daniel H. Cole and Elinor Ostrom -- Gold rush legacy : American minerals and the knowledge economy / Karen Clay and Gavin Wright -- Commentary / Peter Z. Grossman -- Gold rushes are all the same : labor rules and the diggings / Andrea G. McDowell -- Mark T. Kanazawa -- Property creation by regulation : rights to clean air and rights to pollute / Daniel Cole -- Wallace E. Oates -- Rights to pollute : assessment of tradable permits for air pollution / Nives Dolšak -- Shi-Ling Hsu -- Who owns endangered species? / Jason F. Shogren and Gregory M. Parkhurst -- James Wilson -- Enclosing the Fishery Commons : from individuals to communities / Bonnie J. McCay -- Anthony Scott -- The evolution of zoning since the 1980s : the persistence of localism / William A. Fischel -- Robert C. Ellickson -- Psychological entitlement, reference levels, and valuation disparities : the case of Native American land ownership / C. Leigh Anderson and Richard O. Zerbe -- John A. Bagen -- Playing by different rules? Property rights in land and water / Richard A. Epstein -- Henry E. Smith -- A political analysis of property rights / William Blomquist -- Edella C. Schlager -- Water rights and markets in the U.S. semiarid West : efficiency and equity issues / Gary D. Libecap -- Lee J. Alston -- Climate change : the ultimate tragedy of the commons? / Jouni Paavola -- V. Kerry Smith -- Sinking states / Katrina Miriam Wyman -- Richard A. Barnes