Barry C. Field is Professor of Resource Economics at the University of Massachusetts in Amherst. Previously he taught at the University of Miami and The George Washington University. He received his B.S. and M.S. degrees from Cornell University, and his Ph.D. from the University of California at Berkeley. At the University of Massachusetts he has devoted many years to teaching natural resource economics to students at all levels, and has worked to develop an undergraduate major in environmental and resource economics. Professor Field is the author of numerous articles on resource and environmental economics.