8Young, A. , 2000. Gold into Base Metals: Productivity Growth in the People's Republic of China during the Reform Period, NBRE working paper , No. 7856.
9Goldsmith, R. , 1951. A Perpetual Inventory of National Wealth, NBER Studies in Income and Wealth, Vol. 14,5-61.
10Jorgenson, D. , 1966. The Embodiment Hypothesis, Journal of Political Economy, Vol. 74,No. 1 : 1-17.