Wassily Leontief employed an input-output table to examine which theory of comparative advantage?

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Ricardian model of comparative advantageHeckscher-Ohlin theory of comparative advantageLinder's overlapping demand hypothesisAll the above theoriesNone of the above

Explanation

Leontief used the input-output analysis specifically to test the Heckscher-Ohlin theory of comparative advantage, which focuses on factor endowments influencing trade patterns.