Quote by Wassily Leontief
"Abstract models are useful only insofar as they illuminate concrete human problems."
"Abstract models are useful only insofar as they illuminate concrete human problems."
"Economics is the study of how societies organize the production and distribution of goods and services."
"Input-output analysis reveals the interdependence of all economic sectors."
"The structure of an economy can be represented as a system of linear equations."
"Understanding economic relationships requires mathematical precision."