Stationary Utility and Time Perspective Tjalling C. Koopmans; Peter A. Diamond; Richard E. Williamson Econometrica 1964 32(1/2), 82
A Behavioral Theory of the Firm Richard H. Day; Richard M. Cyert; James G. March; Clarkson; Cohen; Dill Feigenbaum; Greenberg; Moore; Soelberg; Starbuck; Williamson Econometrica 1964 32(3), 461