Replaced with revised version of paper 07/28/05.

This paper examines the determinants behind households' decisions regarding non-timber forest products extraction. Data from Mexico is used to estimate a selection model. Results show that individuals with low levels of human capital are more likely to extract than other individuals; the same is...

Sustainable use of water resources in the face of population and economic growth is of great importance in northern China, as it is in much of the world. Rapid expansion of irrigated agricultural and urban demand is depleting groundwater and overexploiting surface water resources in northern...

The invasive aquatic plants Hydrilla verticillata (hydrilla), Eichhornia crassipes (water hyacinth), and Pistia stratiotes (water lettuce) have the potential to negatively impact recreational use of Florida lakes if consistent, adequate control expenditures are not made. In the mid-1990's,...

For a number of reasons government the world over have been unwilling to use water pricing to achieve water use efficiency. This research addresses questions of what policy alternatives to water pricing might improve irrigation water allocation efficiency. An empirical framework is provided to...

This study evaluated the risk management potential of including biomass crops as a diversification strategy for a grain farm in northwest Tennessee. Results indicate that adding biomass crops to the farm enterprise mix could improve mean net revenues and reduced net revenue variability.

Replaced with revised version of paper 07/20/05.

Do natural gas storage decisions in California respond to futures price spreads? Daily data about flows into and out of storage facilities in California over 2001-2005 and daily price spreads are used to investigate whether the net injection profile is consistent with the "supply-of-storage"...

Replaced with revised version of paper 07/28/05.

This paper develops a model of economic growth where a natural resource is an important part of the economy. In the environment of labor and capital markets and an open access resource stock the general equilibrium approach allows for the endogenous prices and consumption, as well as labor...