1 “... Deakin (UC Berkeley), Matthew Kahn (Tufts University), Gilles Duranton (University of Toronto) and David...”

2

3 “... University), Gilles Duranton (University of Toronto) et David Banister (University College London)...”

4

5 “..., Professor Franklyn Griffiths at the University of Toronto and Senior Researchers at IMEMO in Moscow: Raphael...”

6 “..., the University of Toronto, Technische Universität Berlin, Texas A&M, the University of Pennsylvania, and many...”