Lawrence R. Klein and the Making of Large-Scale Macro-Econometric Modeling, 1938-1955

36 Pages Posted: 26 Mar 2018

See all articles by Erich Pinzón-Fuchs

Erich Pinzón-Fuchs

Universidad Nacional de Colombia; Universidad de los Andes, Colombia - Department of Economics

Date Written: March 20, 2018


Lawrence R. Klein was the father of macro-econometric modeling, the scientific practice that dominated macroeconomics throughout the second half of the twentieth century. Therefore, understanding how Klein developed his identity as a macro-econometrician and how he conceived and forged macro-econometric modeling at the same time, is essential to draw a clear picture of the origins and subsequent development of this scientific practice in the United States. To this aim, I focus on Klein’s early trajectory as a student of economics and as an economist (from 1938-1955), and I particularly examine the extent to which the people and institutions Klein encountered helped him shape his professional identity. Klein’s experience at places like Berkeley, MIT, Cowles, and the University of Michigan, as well as his early acquaintance with people such as Griffith Evans, Paul Samuelson, and Trygve Haavelmo were decisive in the formation of his idea on how econometrics, expert knowledge, mathematical rigor, and a specific institutional configuration should enter macro-econometric modeling. Although Klein’s identity defined some of the most important characteristics of this practice, by the end of the 1950s, macro-econometric modeling became a scientific practice independent of Klein’s enthusiasm and with a “life of its own,” ready to be further developed and adapted to specific contexts by the community of macroeconomists.

Keywords: Lawrence R. Klein, history of macro-econometric modeling, history of macroeconomics, history of econometrics, Cowles Commission

JEL Classification: B22, B23, B31, B41

Suggested Citation

Pinzón-Fuchs, Erich, Lawrence R. Klein and the Making of Large-Scale Macro-Econometric Modeling, 1938-1955 (March 20, 2018). Documento CEDE No. 2018-20. Available at SSRN: or

Erich Pinzón-Fuchs (Contact Author)

Universidad Nacional de Colombia ( email )

Carrera 30 45-03
Bogota, None

HOME PAGE: http://

Universidad de los Andes, Colombia - Department of Economics ( email )

Carrera 1a No. 18A-10
Santafe de Bogota, AA4976

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