[10] Caliendo L,Parro F.Estimates of the Trade and Welfare Effects of NAFTA[J].Nber Working Papers,2015,82(1):1-44.
[11] Costinot A,Donaldson D,Komunjer I.What Goods Do Countries Trade A Quantitative Exploration of Ricardo's Ideas[J].Review of Economic Studies,2012,volume 79(2):581-608(28).