Docteur en sciences économiques 1975
Ottaviano, Gianmarco I. P.
Picard Pierre M.
van Ypersele, Tanguy
"The best French specialist in spatial economics in the late 60s and early 70s. I never had any teacher in trade theory. My doctoral dissertation was devoted to location theory. Soon after, I turned to industrial organization and operations research. I came to trade late and trained myself."