The economic theory of externalities is introduced and applied in a discussion of alternative policy instruments such as taxes, tradable permits, and regulatory standards which are used to deal with pollution. Topics include current environmental regulation issues such as climate change, water and air pollution and firm strategy. Extensions include an introduction to cost-benefit analysis and environmental impact assessment tools for project evaluation as well as a discussion of the economics of non-renewable resources. Prerequisite: BUEC 502 or 503. Not open to students with credit in BUEC 562.