Input-output analysis has been used extensively to identify the interrelationships in local, state, regional and national economies. One type of economic activity that is prevalent in several states in the Northeast has not typically been included in regional input-output models: that carried on...

A five-year linear programming farm planning model, permitting the inclusion of nitrogen decay rates, was constructed to include the use of sewage sludge as a primary crop nutrient source. Twenty-two scenarios depicting various operating conditions were examined and maximized net farm incomes...