Quote by Wassily Leontief
"Progress requires both the courage to question old models and data to validate new ones."
"Progress requires both the courage to question old models and data to validate new ones."
"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."