This paper discusses studies on earnings and dividend, specifically, it compares three research papers by Hanlon (2005), Gunasekarage and Power (2002), and Koch and Sun (2004). While these three papers have similarities especially in the usefulness of earnings and the two latter papers have similarities in that information on dividend is as a signal, they examine different aspect of either earnings or dividend. Hanlon (2005) relates the book-tax differences to the persistence of earnings and the pricing of earnings. Gunasekarage and Power (2002) examines that dividend change announcement is as the signal about a firm’s future performance. Koch and Sun (2004) examines the role of changes in dividend as a signal about the persistence of past earnings changes. Futher researches can integrate the three lines of studies.
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