Leontief et l'économie comme science empirique: la signification opérationnelle des lois

From the 1930s, Leontief defended the validity of input-output analysis on the basis of a very specific epistemology: operationalism. Operationalism was not proper to Leontief but it was a common epistemological reference from the 1930s to the 1950s –especially about the status of scientific laws. The epistemological discussions around operationalism permits, in retrospect, to enlighten the debates about the theoretical foundations of the production function of Leontief.