Uncertainty, Evolution, and Economic Theory

A modification of economic analysis to incorporate incomplete information and uncertain foresight as axioms is suggested here. This approach dispenses with "profit maximization"; and it does not rely on the predictable, individual behavior that is usually assumed, as a first approximation, in standard textbook treatments. Despite these changes, the analytical concepts usually associated with such behavior are retained because they are not dependent upon such motivation or foresight. The suggested approach embodies the principles of biological evolution and natural selection by interpreting the economic system as an adoptive mechanism which chooses among exploratory actions generated by the adaptive pursuit of L'success" or "profits." The resulting analysis is applicable to actions usually regarded as aberrations from standard economic behavior as well as to behavior covered by the customary analysis. This wider applicability and the removal of the unrealistic postulates of accurate anticipations and fixed states of knowledge have provided motivation for the study.

Armen A. Alchian
Subject Area: 
Published in: The Journal of Political Economy
1950 Vol. 58, No. 3. Pages 211-221

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