Public policy for managing invasive species has largely focused on preventive measures prior to detection (stage 1) and on the use of chemical/mechanical or biological control measures after the establishment and dispersion of the invasive species (stage 2). Optimal management policy depends...

What causes the structural changes in terms of number and size of flour mills in the US flour milling industry, and will the US wheat flower supply be adequate in the year 2000? Simulation results indicate that rising disposable income and declining wheat prices are the primary reasons for...

In this paper we examine the issue of permanence in the context of sequestering carbon through afforestation. We develop a dynamic nested optimal control model of carbon sequestration associated with the decision to afforest a tract of land given there are uncertainties associated with fire and...