Pfaff, Alexander S. P. (contributor); … - 2002 - [Elektronische Ressource]
Columbia University
Department of Economics
Discussion Paper Series
Endowments …
Howard L.M. Nye
Discussion Paper #:0102-46
Department of Economics
Columbia University
New … to thank for helpful comments Matt Kahn and participants in AERE/ASSA, NBER, NEUDC and
Harvard Environmental Economics …