Discussion paper DP4170 Global Sourcing Elhanan Helpman Pol Antràs 23 Jan 2004 International Trade and Regional Economics D23 F12 F14 F23 L11 L22
Discussion paper DP3647 Outsourcing Versus FDI in Industry Equilibrium Elhanan Helpman Gene M. Grossman 20 Nov 2002 International Trade and Regional Economics D23 F12 F23 L22
Discussion paper DP3165 Outsourcing in a Global Economy Elhanan Helpman Gene M. Grossman 20 Jan 2002 International Trade and Regional Economics D23 F12 L14 L22