This article analyzes Katona's theory of expectations and compares it to that of Keynes and Hicks. It discusses the implicit and explicit debates on the introduction of psychology in economic theory. The aim of this paper is twofold: define Katona's thought and examine the impact of this work on...

This paper analyzes the controversy between George Katona and James Tobin that happened at the end of the nineteen fifties. The central problem of the paper concerns the nature of psychological phenomena. While Tobin defends that economic behavior stems from the individual, Katona tries to...