Development economics in the 1950s and 1960s, as Jan Tinbergen and Irma Adelman saw it, was a “groping in the dark.” Besides the limited knowledge of dynamic mechanisms, the lack of data was a severe problem for any attempt at modeling, whether macroeconomic, input-output, or in the tradition of national income accounting. As concerns the three main figures of this article—the empirical researchers Tinbergen, Hollis Chenery, and Adelman—each developed his or her own approach to modeling: modeling in stages, modeling to capture universal patterns, and factor analysis, respectively. Tinbergen, Chenery, and Adelman shared a common inductive methodology, which might rightly be called “measurement without theory,” in the sense that there was no economic theory that could help them in organizing the available messy and often unreliable data. Chenery saw a role for abstract mathematical models as helping inquirers to rise above such impediments, even if only temporarily, or to gain focus, as was the case with his making technical progress an exogenous variable. Tinbergen’s models of the “first stage” were also intended to make planning for development tractable, but without mixing planning with such focusing devices. Adelman, for her part, preferred to search for and identify factors of development.
Models, Measurement, and “Universal Patterns”: Jan Tinbergen and Development Planning without Theory
Marcel Boumans is associate professor of history and methodology of economics at Utrecht University. His main research focus is understanding empirical research practices from (combined) historical and philosophical perspectives. He is particularly interested in the practices of measurement and modeling and the role of mathematics in social science. These topics are covered by his most recent monograph Science outside the Laboratory (2015). His current research project is on vision and visualization, focused on an epistemological understanding of expert judgments.
Neil De Marchi’s interests have ranged from British classical economics to applications of history of science and philosophy to economics to the mid-1980s, and, more recently, on how art markets function and what makes them different.
Marcel Boumans, Neil De Marchi; Models, Measurement, and “Universal Patterns”: Jan Tinbergen and Development Planning without Theory. History of Political Economy 1 December 2018; 50 (S1): 231–248. doi: https://doi.org/10.1215/00182702-7033956
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