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This chapter explores the ways in which cybernetics influenced the works of F. A. Hayek from the late 1940s onward. It shows that the concept of negative feedback, borrowed from cybernetics, was central to Hayek’s attempt to explain the principle of the emergence of human purposive behavior. Next, the chapter discusses Hayek’s later uses of cybernetic ideas in his works on the spontaneous formation of social orders. Finally, Hayek’s view on the appropriate scope of the use of cybernetics is considered.

The growing displacement of theory and other forms of wide-ranging knowledge of social phenomena by empirical research methods in economics is widely noted by economists and historians of economic knowledge. Less attention has been devoted, however, to understand the materialization of such changes in the scientific practices. This article studies the recent transformations in the epistemological practices at CEDE, a research center in Colombia. I use a machine learning technique called Topic Modeling, interviews to CEDE researchers, and exegesis of papers to characterize a shift in the production of knowledge in microeconometrics at CEDE during the years 2000 and 2018. I explain this shift by characterizing two sets of epistemological practices that implies a recent tendency to disdain research that cannot make a “strong” causal inference.