He also set forth propositions on stochastic choice and lexicographic preferences.
Cowles monograph on linear programming and general equilibrium theory.
There, he developed his initial ideas on a new biological or evolutionary approach to economic theory. Although generally ignored by mainstream economics, he was hailed by the fledlging environmental movement and, until the end of his life, never ceased to speak out on his ideas for a new approach to economic theory. Today, his work is gaining influence, and his insights are being grafted into the new field of evolutionary economics. The Entropy Law and the Economic Process , 1971.