First Author:   Kristine M. Grimsrud Assistant Professor, Dept. of Economics, University of New Mexico grimsrud@unm.edu   MSC05 3060 Albuquerque, 87131   505-277-1960(Phone) 505-277-1960(Fax) http://www.unm.edu/~grimsrud Second Author: Robert P. Berrens Professor, Dept. of Economics, University of New Mexico rberrens@unm.edu   Albuquerque, 87131       Third Author: Ron C. Mittelhammer School of Economic Sciences and Dept. of Statistics, Washington State University mittelha@wsu.edu   Pullman, 99164