*Geisel School of Medicine at Dartmouth, One Rope Ferry Road, Hanover, NH 03755-1404.
†VA Medical Center, 215 North Main Street, White River Junction, VT 05009.
‡Thayer School of Engineering, Dartmouth College, 8000 Cummings Hall, Hanover, NH 03755-8000.
§Department of Economics, Queens College, City University of New York, 365 5th Avenue, New York, NY 10016-4309.
∥Faculty Research Fellow in Health Economics, National Bureau of Economic Research, 1050 Massachusetts Avenue, Cambridge, MA 02138.
This article is a totally revised and updated work, co-authored by a professional economist, with new content, new discussion and citations.
The views expressed in this article are those of the authors and do not necessarily reflect official policy of the Department of Veterans Affairs or the U.S. Government.
