1. Specialization dynamics and natural resources abundance
2. Amadeo, K. (2020a). See why Afghan rugs cost you more today than a year ago. Unilateral Trade Agreements, Their Pros and Cons, with Examples. Retrieved from https://www.thebalance.com/unilateral-trade-agreements-definition-examples-3305904
3. Amadeo, K. (2020b). Bilateral trade agreements with their pros and cons. Retrieved from https://www.thebalance.com/what-are-bilateral-trade-agreements-pros-cons-and-list-3305911
4. Amadeo, K. (2020c). 5 pros and 4 cons to the world's largest trade agreements. Retrieved from https://www.thebalance.com/multilateral-trade-agreements-pros-cons-and-examples-3305949
5. Trade Costs