Retrospectives: Friedrich Hayek and the Market Algorithm
- (pp. 215-30)
(Complimentary)
Abstract
Friedrich A. Hayek (1899-1992) is known for his vision of the market economy as an information processing system characterized by spontaneous order: the emergence of coherence through the independent actions of large numbers of individuals, each with limited and local knowledge, coordinated by prices that arise from decentralized processes of competition. Hayek is also known for his advocacy of a broad range of free market policies and, indeed, considered the substantially unregulated market system to be superior to competing alternatives precisely because it made the best use of dispersed knowledge. Our purpose in writing this paper is twofold: First, we believe that Hayek's economic vision and critique of equilibrium theory not only remain relevant, but apply with greater force as information has become ever more central to economic activity and the complexity of the information aggregation process has become increasingly apparent. Second, we wish to call into question Hayek's belief that his advocacy of free market policies follows as a matter of logic from his economic vision. The very usefulness of prices (and other economic variables) as informative messages—which is the centerpiece of Hayek's economics—creates incentives to extract information from signals in ways that can be destabilizing. Markets can promote prosperity but can also generate crises. We will argue, accordingly, that a Hayekian understanding of the economy as an information-processing system does not support the type of policy positions that he favored. Thus, we find considerable lasting value in Hayek's economic analysis while nonetheless questioning the connection of this analysis to his political philosophy.Citation
Bowles, Samuel, Alan Kirman, and Rajiv Sethi. 2017. "Retrospectives: Friedrich Hayek and the Market Algorithm." Journal of Economic Perspectives, 31 (3): 215-30. DOI: 10.1257/jep.31.3.215Additional Materials
JEL Classification
- B31 History of Economic Thought: Individuals
- D82 Asymmetric and Private Information; Mechanism Design
- D83 Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
- E61 Policy Objectives; Policy Designs and Consistency; Policy Coordination
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