Key points are not available for this paper at this time.
Brett Trueman, Sheridan Titman, An Explanation for Accounting Income Smoothing, Journal of Accounting Research, Vol. 26, Studies on Management's Ability and Incentives to Affect the Timing and Magnitude of Accounting Accruals (1988), pp. 127-139
Trueman et al. (Fri,) studied this question.