We develop a theoretical model using migration and trade theory to examine the effects of domestic and border enforcement policies on unauthorized workers and the U.S. agricultural sector. The theoretical results show that heightened immigration policies increase the illegal farm wage rate, and...

This paper presents the first part of an ongoing project whose objective is to present a long term relationship between conservation tillage, adoption of GE crops and pesticide use for major crops in the United States. In addition, the project aims to provide some innovative tests on causality...

We estimate the cost of offsets tied to reductions in the use of nitrogen on U.S. cornfields under the proposed American Clean Energy and Security Act.