Q1. David Ricardo illustrated the comparative cost theory in 1817 by using a
-
(1)
Two country, two commodity model
दो देश, दो वस्तु मॉडल -
(2)
Two country, one commodity model
दो देश, एक वस्तु मॉडल -
(3)
Three country, two commodity model
तीन देश, दो वस्तु मॉडल -
(4)
None of the above
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