We study the factors influencing the sugar imports in China. A multivariate linear regression model for quantitative analysis in established and the model is researched with multicollinearity treatment, autocorrelation and heteroscedasticity test. Research result shows that the per capita income...

Replaced with revised version of paper 08/24/04.

Lignocellulosic portion of municipal solid waste (MSW) is considered a potential feedstock for fuel ethanol production. I review the trends in MSW generation, composition and disposal practices, and evaluate the aggregate and regional potential of MSW as a feedstock. I present an overview of the...

Alleviating excess demand for water is a reoccurring issue in California. An analytical framework is developed to examine the different ways to eliminate excess demand for water in California.Four ways are examined in the marshallian cross framework. First, shifting the supply schedule to the...

This paper summarized the theory of welfare economics and natural resource allocation, and illustrated how application of this theory can lead to Pareto improvements in the design of irrigation systems in tropical arid- and semi-arid agricultural systems. Drawing on the two examples of nitrate...

In recent years the removal of dams that pose environmental hazards has been seen as a river restoration and management tool. The ecological benefits of removing dams, such as the restoration of water temperatures and fish passage, have been well documented. However, fewer studies have evaluated...