4[23]Harold Demsetz,Belen Villalonga,2001 ,ownership structure and eorporate performance, Journal of Corporate Finance 7 ,209-233.
5[24]kic Han,David Y. Suk, 1998,The Effect of Ownership Structure on Firm Performance:Additional Evidence,Review of Financial Economics Vol 7,No 2 ,143- 155.
6[25]Myeong-Hyeon Cho , 1998, Ownership structure , invcstment and the corporate value: an empirical analysis, Journal of Financial Economics 47(1998)103 - 121.
7R.La Porta,F. Lopez -De -Silanes and A.Shleifer, 1999:""Corporate Ownership Around the World"", Journal of Finance 54.