The authors describe the framework their department has adopted to incorporate the attainment of Hansen's (1986) proficiencies into the curriculum. Major changes include the identification of tools students should be able to use to complete specific activities, significant changes in...

The contingent valuation method is frequently used to estimate willingness to pay for environmental services. However, numerous studies have raised serious questions about the validity and reliability of such estimates. The study reported here extends the analysis of hypothetical versus real...

The enormous growth of wind energy in Illinois and around the country has led to a shortage of wind turbines. Turbine manufacturers have sold out their capacity into 2010. To the extent that Illinois manufacturing can integrate itself into the wind turbine supply chain, Illinois can enjoy the...