8MAY D.1995.Do managerial motives influence firm risk-reduction strategies[J].Journal of Finance,50:1291-1308.
9ROSE N L,SHEPARD A.1997.Firm diversification and CEO compensation:managerial ability or executive entrenchment[J].Rand Journal of Economics,28:489-514.
10SHLEIFER A,VISHNY R W.1990.Managerial entrenchment,the case of manager specific investments[J].Journal of Financial Economics,25:123-139.