J. B. Braden and S. Proost, Editors, The Economic Theory of Environmental Policy in a Federal System; A. Cornwell and J. Creedy, Environmental Taxes and Economic Welfare; G. Atkinson, R. Dubourg, K. Hamilton, M. Munasinghe, D. Pearce, and C. Young, Measuring Sustainable Development: Macroeconomics and the Environment; R. Nau, E. Gronn, M. Machina, and O. Bergland, Editors, Economic and Environmental Risk and Uncertainty: New Models and Methods