Quote by Wassily Leontief
"Economic theory must be tested against reality or else it becomes dogma."
"Economic theory must be tested against reality or else it becomes dogma."
"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."