6Kirkley, J. , Morrison, C. J. , Squires, D. , 2002, "Capacity and Capacity Utilization in Common-pool Resource Indus- tries : Definition, Measurement, and A Comparison of Approaches", Environmental and Resource Economics, 22 ( 1--2 ) : 71---97.
7Klein,L. R. and Preston, R. S. , 1967," Some New Results in the Measurement of Capacity Utilization" ,American Eco- nomic Review,57( 1 ) :34--58.
8Young Alwyn,2003. "Gold into Base Metals:Productivity Growth in the People's Republic of China during the Reform Period", Journal of Political Economy, 111 ( 6 ) : 1220--1261.
9Klepper, S. , Malerba, F. ,2010," Demand, Innovation and Industrial Dynamics : An Introduction", Industrial and Corpo- ration Change,19(5) :1515--1520.
