A dynamic optimization framework is used to analyze integrated watershed management and suggest appropriate policies. Soil conservation, reservoir level sediment release, downstream water allocation and water quality are subject to control. Application of the model to the Aswan Dam watershed...

Replaced with revised version of paper 07/20/06.

Drought impact both producers and agribusinesses. This study investigates the impacts of the 2004-2007 droughts on Oklahoma grain handling and fertilizer supply firms. The results indicated an average decline in firm revenues of 30%. Individual firms had single year revenue declines of 85% and...