The development of the field-scale Erosion Productivity Impact Calculator (EPIC) model was initiated in 1981 to support assessments of soil erosion impacts on soil productivity for soil, climate, and cropping conditions representative of a broad spectrum of U.S. agricultural production regions....

Computer models are important tools for assessing regional carbon sequestration and other environmental impacts of agricultural management practices. The Environmental Policy Integrated Climate (EPIC) model is a very flexible model that has been used to make a wide range of field- and...

The economic and social development of nations relies on their population having physical access to services and employment opportunities. For the vast majority of the 3.4 billion people living in rural locations, this largely depends on their access to urban centers of different sizes....

This paper considers supply decisions by firms in a dynamic setting with adjustment costsand compares the behavior of an optimal control model to that of a rule-based system whichrelaxes the assumption that agents are explicit optimizers. In our approach, the economicagent uses believably simple...