2[3]Krueger,A. O( 1968 ) :Factor Endowments and Per Capita Income Differences Among Countries, Economic Journal, Vol. 78, Sept., pp. 641-659.
3[4]Grossman, G. M. and E. Helpmen (1991): Innovation and Growth in the Global Economy, Cambridge, MA: The MIT Press, pp. 237-238.
4[6]Kyle Bagwell and Robert W. Staiger( 1999):An Economic Theory of GATT, The American Economic Review,Vol. 89, No. 1, pp. 21-248.
5[7]Farrell,Joseph and Maskin,Eric(1989): Renegotiations in Repeated Games, Games and Economic Behavior, De cember, I(4), pp. 327-360.
6[8]Romer,Paul M. (1994):‘The Origins of Endogenous Growth' ,Journal of Economic Perspectives,8 winter.
7[9]Summers, Robert and Alan Heston( 1991):The Penn World Table(Mark5),An Expanded Set of International Comparisons, 1950-881, Quarterly Journal of Economics, 106, May.
8[10]See World Bank President James Wolfensohn' s 1996 address to the Bank/Fund Annual Meetings in Washington.
9[11]Romer,Paul M. (1993):Idea Gaps and Object Gaps in Economic Development,Journal of Monetary Economics, 32, December.
10[12]Lucas, Robert E. Jr(1993) :‘ Making a Miracle', Econometrica, 61, March.
