![Who propounded the opportunity cost Theory of international trade?](https://www.gkseries.com/blog/wp-content/uploads/2022/09/Who-propounded-the-opportunity-cost-Theory-of-international-trade.png)
Q. Who propounded the opportunity cost Theory of international trade?
- Ricardo
- Marshall
- Heckscher & Ohlin
- Haberler
Answer: Haberler
Answer: Haberler
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