Bergstresser， Daniel and Thomas P CEO Incentivesand Earnings M Journal of Financial Economics，Vol， 80(3) :511一529，Bums，Na tashaa ndS imiK T heIm pactof P erformancebasedCompensation on M Journal of Financial Economics，7 9(1):35一67，2 0 Cheng，Qi anga ndT erry DW E quityI ncentivesa ndEarnings M The Accounting Review， 80 (2):441一476，Goldman，Eitana ndS teveL Sl An E quilibrium ModelofIncentive Contracts in the Presence of Information MJournal of Financial Economics， 80(3):603一636，Guttman，，0 Ka dana ndE K A R ationalE xpectationModel of the Kink in Accouting E Hebrew Universityand Washington University Working PHealy，Paul M The Efect of Bonus Schemes on AccountingD Journal of Accounting and Economics， 7:85一107，Holmstrom， B Moral Hazard and O Bell JournalofE conomic，10 :74 一91，Mirrlees， The Theory of Moral Hazard and Unobservable Behaviour:Pa rt1 (Mimeo，N uffiedC ollege，O xford，19 75)nowp ublishedi nR eview ofE conomicS tudies，66:3 一23，Murphy， K Executive C in Handbook of LaborEconomics，O rleyA shenfeltera ndD avidC ards(e ds) ，NorthHolland，Vo l3 ，
