7Feiwel , G.R. Causes and Consequences of Disguised Industrial Unemployment in a Socialist Economy [ J ]. Soviet Studies , 1974, 126(3): 344 -362.
8Roland, G. Transition and Economics : Politics, Markets and Firms [ M]. Massachusetts : MIT Press, 2000.
9Ashenfeher, O. , Card, D. Using the Longitudinal Structure of Earnings to Estimate the Effect of Training Programs[ J]. The Review of Economics and Statistics, 1985; 67 (4):648-660.
10Schleifer, A. , Vishny, R. W. Large Shareholders and Corporate Control [ J]. Journal of Political Economy, 1986,94( 3 ) :461-488.