Match the List II with List II

List I: Theory	List II: Author(s)
A. Theory of Comparative Cost Advantage	I. Heckscher & Ohlin
B. Theory of Opportunity Cost	II. David Ricardo
C. Theory of Factor Endowment	III. Haberler
D. Theory of Absolute Advantage	IV. Adam Smith

Codes:

Correct option is A

Based on the image, here is the correct match between the theories and their respective authors:
· A. Theory of Comparative Cost Advantage: The author of the Theory of Comparative Cost Advantage is David Ricardo. Hence, A-II.
· B. Theory of Opportunity Cost: This theory is associated with Haberler the correct match is B-III 
· C. Theory of Factor Endowment: This theory is associated with Heckscher & Ohlin, hence C-I.
· D. Theory of Absolute Advantage: The author of Theory of Absolute Advantage is Adam Smith. Hence, D-IV.
Thus, the correct answer is: (a) A-II, B-III, C-I, D-IV.