Koopman, R., Wang, Z., & Wei, S. J. (2014). Tracing Value-Added and Double Counting in Gross Exports. THE AMERICAN ECONOMIC REVIEW, 104(2), 459-494.
heiwai tang and  Hiau Looi KeeDomestic Value Added in Exports: Theory and Firm Evidence from ChinaAmerican Economic Review, forthcoming, Nov 2015.

多谢前辈！！