Affiliation: | (1) Department of Sociology, DK-40, University of Washington, 98195 Washington, Seattle;(2) Castleton State College, 05735 Castleton, VT;(3) Department of Political Science, The Pennsylvania State University, 16802 University Park, PA;(4) Department of Public Affairs, George Mason University, 22030 VA, Fairfax;(5) Energy and Economic Analysis Section, Oak Ridge National laboratory, Box 2008, 37831-6205 Oak Ridge, TN |