Trimble R. Hedges is Associate Professor of Agricultural Economics, University of California College of Agriculture, Davis; Warren R. Bailey is Agricultural Economist, Bureau of Agricultural Economics, U.S.D.A., Berkeley; Arthur Shultis is Agriculturist. Agricultural Economics, University of California College of Agriculture, Berkeley;
Trimble R. Hedges is Associate Professor of Agricultural Economics, University of California College of Agriculture, Davis; Warren R. Bailey is Agricultural Economist, Bureau of Agricultural Economics, U.S.D.A., Berkeley; Arthur Shultis is Agriculturist. Agricultural Economics, University of California College of Agriculture, Berkeley;