4Berle, A, & Means, G., 1932, The Modern Corporation and Private Property, Macmillan, New York.
5Clifford G. Holderness, Randall S. Kroszner, Dennis P.Sheehan., 1999, "Were the Good Old Days That Good?Changes in Managerial Stock Ownership Since the Great Depression" ,Joural of Finance, 4.
6Jensen, M. and Meckling, W., 1976, "Theory of Firm :Managerial Behavior, Agency Cost and Ownership Structure",Journal of Financial Economic, 3.
7Demsetz, Harold, 1983, "The structure of Ownership and the Theory of the Firm", Joural of Law and Economics ,26.
8Demsetz, Harold and Lehn, Kenneth., 1985, "The Structure of Corporate Ownership: Causes and Consequences",Journal of Political Economy.
9Randall Moeck, Andrei Shleifer, Robert w, Vishny,1989, "Alterative Mechanisms for corporate control", America Economic Review, 9.
