Institution: | a Department of Economics, University of California at Los Angeles, Los Angeles, California, 90095-1477;b Department of Applied Economics and Management, Cornell University, Ithaca, New York, 14853;c Jackson Environmental Institute, University of East Anglia, Norwich, NR4 7TJ, United Kingdom;d ISO–New England, Holyoke, Massachusetts, 01040;e Department of Applied Economics and Management, Cornell University, Ithaca, New York, 14853 |