Three conjoint models-a traditional ratings model, a ratings difference specification, and a binary response model-were used to value groundwater protection program alternatives. The last, which is virtually identical to a dichotomous choice contingent valuation specification, produced the...

Opaluch and Just reported the top 20 departments in pages per faculty of articles in the American Journal of Agricultural Economics for the five year period 1968-1972. To determine how much has changed and how much has not during the intervening two decades, the analysis was repeated for the...