Acknowledgments

Gavin Wright thanks Giulio Pontecorvo and Mark Holliday for helpful advice on fisheries and Peter Berck for suggestions on forestry. He also thanks Courtney M. Grey, Christopher Kingston, Slavi Slavov, and Ritesh Shah for research assistance. The tables on forests were jointly edited by Wright and by Peter Berck of the University of California, Berkeley. They thank Georgina Moreno for assistance with this work. The project was facilitated by a grant from the Office of Technology Licensing at Stanford University.