8Andrea Morrison, Carlo Pietrobelli,Roberta Rabellotti. 61obal value chains and techonological capabilities: a framework to study learning and innovation in developing countries. Oxford Dev- elopment Studies, 2008,36(1):39-58.
9Gereffi, G. International trade and indus- trial upgrading in the apparel commodity chain. Journal of International Economics, 1999, (48):37- 70.
10Kaplinsky, R ,Fitter R. Spreading the gains from globalization:what can be learned from value chain analysi. Problems of Economic Transition, 2004.(47):74-115.