I had become interested in economics, an interest that was transformed into a lifetime dedication when I met with the mathematical theory of general economic equilibrium.
In the mid-'60s in Berkeley, the theory of measure spaces of economic agents became one of my main interests.
My work on Pareto optima, on the existence of a general economic equilibrium and on utility theory, made quick progress.
The Cowles Commission was the optimal environment for the type of research that I wanted to do.
The dark outside world of Paris under German occupation exerted a strong containing pressure.
The small size of each entering class and the strict admission procedures helped to create a superheated intellectual atmosphere.