Agricultural production in the United States, through its intensive use of nitrogen fertilizer, has contributed to nitrate accumulation in groundwater. Concern over this contamination has led to increased public interest in schemes designed to reduce nitrate leachate from agricultural lands....

Weakening demand for livestock and dairy produce, historically high prices for feed ingredients and increasingly strict regulations on animal waste management continue to put significant pressure on livestock and dairy operating margins. In this paper, we use representative farm mathematical...

Village leaders in the Chinese reform economy are assumed to maximize a multiple-attribute utility function; their behavior is modeled in a dynamic control framework. Using village data, structural and control equations for industrial output, grain yields, capital, non-farm employment and hybrid...

We use the non-tidal Passaic River Watershed as a case study to investigate the size of potential cost savings associated with allowing phosphorus emissions trading amongst Waste Water Treatment Plants (WWTP) to achieve a significant reduction in ambient phosphorus levels. To measure the cost...

An understanding of the diversity of community water systems (CWS) in the United States is essential when evaluating the financial implications of the 1986 and subsequent amendments to the Safe Drinking Water Act (SDWA). This diversity, in terms of size, primary water source, ownership, and...

Electric utilities throughout the Nation are experimenting with strategies to reduce total electricity consumption or to alter the timing of electrical power use by their customers. This report focuses on one such strategy, time-of-use (TaU) electric rates, and the likely effect of this pricing...