4LaPorta, R. , Lopez - de - Silanes, F. , Shleifer, A. , Vishny, R. W. , 2002. Investor protection and corporate valuation. Journal of Finance57, 1147 - 1170.
5LaPorta, R. , Lopez - de - Silanes, F. , Shleifer, A. , Vishny, R. W. , 2000b. Agency problems and dividend policies around the world. Journal of Finance55,1 - 33.