6Lucas, R. E. , On the Mechanics of Economics Development[J], Journal of Monetary Economics, 1988.22:3-42.
7Haveman, Robert H. and Barbara L. Wolfe. Schooling and Economic Wellbing: The Role of Nonmarket Effects [ J ] ,Journal of Human Resources, 1984. 19.3 (Summer): 377-407.
8Romer, P. Increasing Returns and Long-Run Growth [ J ],Journal of Political Economy, 1986.94 (3): 1002-1037.
9Schultz, T. W. Investment in Human Capital[ M], American Economic Review. 1961.51:1-17.
10James D H. Time series analysis[ M]. Princeton: Princeton University Press. 1944.