7Cohen D A, Dey A,Lys T Z. Real and accrual-based earnings management in the pre-and post-Sarbanes-Oxley peri- ods[J]. The Accounting Review,2008,83(3) : 757-787.
8Roychowdhury S. Earnings management through real ac- tivities manipulation [J]. Journal of accounting and economics, 2006,42(3) : 335-370.
9Teoh S H, Welch I, Wong T J. Earnings management and the long - run market performance of initial public offerings [J]. The Journal of Finance, 1998,53(6) : 1935-1974.