1. U.S. Department of Agriculture, Economic Research Service. (2003). Agricultural Resources and Environmental Indicators. Agricultural Handbook No. AH722, USDA/ERS, Washington, DC.
2. Price changes will also be a function of the embedded elasticities underlying the USMP model. These elasticities are specified so that model supply response at the national level is consistent with supply response in the USDA's Food and Agriculture Policy Simulator (McDowell et al., 1989), an econometric estimated national-level simulation model of the U.S. agriculture sector.
3. Additional acreage responses due to agri-environmental programs may occur at the farm level. However, due to the regional scale of our model, we are unable to portray these adjustments here.
4. Giannakas K. , and Kaplan J. (2001, August). “(Non)Compliance with Agricultural Conservation Programs: Theory and Evidence.” Selected paper presented at annual meetings of the AAEA, Chicago, IL.
5. We do not include all the costs livestock and poultry producers might face as they adjust to meet nutrient standards. Additional costs might include relocation costs, and investments in new storage and handling infrastructure.