6Hummels, D, Rapoport, D, Vertical Specialization and Changing Nature of World Trade. Federal Reserve Bank of New York Economic Policy Revtew, Vol.4,Issue 2 ,1998.
7OECD , Intra-industry and Intra-firm Trade and the Intemationalisation of Production. OECD Economic Outlook 71, 2002.
8Arndt, Sven W, Globalization and the open economy. North American Journal of Economics and Finance, 8( 1 ), 1997, pp. 71 - 79.
9Arndt, Sven W, Globalization and the Gains from Trade. in K.Jaeger and K. -J. Koch, eds. , Trade, Growth and Economic Policy in Open Economies. Spfinger-Verlag: New York,1998.
10Campa, Jose, and Linda s. Goldberg, The Evolving External Orientation of Manufacturing Industries: Exporting U. S. Jobs. NBER Working Paper No. 5919, February 1997.
