National Science Foundation Fellow, 1963–65 Woodrow Wilson Fellow, 1963–64 Ford Foundation Dissertation Fellow, 1966 Guggenheim Fellow, 1970–71 Fellow of the Econometric Society, 1976–present Fellow of the American Academy of Arts and Sciences, 1986–present Association of Environmental and Resource Economists: Special Award for “Publication of Enduring Quality.” Keynote speaker, 2002 World Congress of Environmental Economists Keynote speaker, 2006 World Congress of Animal Geneticists