共 3 条
- [1] ″International Pro-vision of Trade Service,Trade and Fragmentation″. Alan V Deardorff. Review of International Economics . 2001
- [2] ″Outsoucing in a Global Economy,″NBER. Grossman Gene M.,and Elhanan Helpman. . 2002
- [3] Advanced International Trade:Theory and Evidence. Feenstra,R.C. . 2004