AB Bernard,  Greenaway,Helpman, Melitz, and Yeaple......
1, Brainard (1997) presents a simple proximity-concentration theory to understand
the trade-o¤ between export and FDI. Markusen and Venables (2000)
add factor endowment di¤erences between countries to this simplemodel.
Helpman, Melitz and Yeaple (2004) add 爀洀 heterogeneity.
2,Mayer, Th. and G.I.P: Ottaviano, 2007, The Happy Few: New Facts on the Internationalisation of European Firms,BRUEGEL/CEPR EFIM 2007 Report, Bruegel Blueprint Series
3,Hitoshi Sato,2009,Firm Heterogeneity and FDI with Matching Frictions
4 Kristian Giesen and Christian Schwarz,Trade, Wages, FDI and Productivity
5，Benjamin Nefussi，2006，Exports versus FDI, evidence from two French industries
6，Lindsay Oldenski，Export Versus FDI: A Task-Based Approach

这个还是前沿问题