Key points are not available for this paper at this time.
Robert E. Hoskin, John S. Hughes, William E. Ricks, Evidence on the Incremental Information Content of Additional Firm Disclosures Made Concurrently with Earnings, Journal of Accounting Research, Vol. 24, Studies on Alternative Measures of Accounting Income (1986), pp. 1-32
Hoskin et al. (Wed,) studied this question.
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