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- Bloomberg Distinguished Professor, Human Behavior and Public Policy, Johns Hopkins University
- Associate Professor, Economics, University of Queensland
- J.B. and Maurice C Shapiro Professor, Environmental Law, George Washington University
- Professor, Agricultural Economics, Kansas State University
- Associate Professor, Economics, Williams College
- Professor and Chair, Agricultural and Applied Economics, University of Wisconsin - Madison
- Visiting Faculty, Economics, Grand Valley State University
- Assistant Professor, Economics, University of Wisconsin - Stout
- Professor, Economics and Business, Katholieke Universiteit (KU) - Leuven
