Description: The economic theories of externalities and common property resources are used to analyze how markets, legal institutions, regulations, taxes and subsidies, and voluntary activity can affect the supply of environmental amenities, such as clean air, clean water, and wilderness areas. We also discuss methods for determining the demand for environmental amenities. Crosslisted: ENST 480. Prerequisite: Economics 370 or permission of instructor. Cross-list: ENST 480.