As economies of size become increasingly important in production agriculture, farm sizes continually increase. For the farm members of the Northeast Dairy Producers Association (NEDPA), this results in larger herds, more acres of crop production, and more full-time, non-owner employees. The...

A simple bieconomic model (the Gordon-SChaefer model) is estimated for three species of tuna in the Eastern Tropical Atlantic. The model conformed well to the data and afforded estimates of maximum sustainable yield, bioeconomic and open access equilibria. Strong marginal stock effects were...