Professor of Agricultural and Applied Economics, Wisconsin Institute for Discovery

Vanderbilt University

Peterson Institute for International Economics, Trade Talks, and CEPR.

School of Economics, Drexel University

Georgetown University, NBER

Professor of Agricultural Economics, University of Idaho, USA

Professor of Economics, Simon Fraser University

Professor of economics, CNAM (Paris)

Professor of agricultural economics, University of Göttingen

Full Professor International Economics, University of Leuven