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Earnings Announcement Premia and the Limits to Arbitrage, Journal of Accounting and Economics

Abstract

We re-examine the existence of earnings announcement-day premia and find that they persist beyond the sample period used in prior studies (ending in 1988). The magnitude of the premia is lower for all sub-periods when we use the expected rather than actual announcement dates used in prior studies. Moreover, the premia are not present following earnings pre-announcements. Finally, we find that limits to arbitrage are a likely explanation for the continuing presence of the premia despite the fact that firms on earnings announcement dates have a significantly positive Jensen's alpha and a higher Sharpe Ratio than on non-announcement dates.

Type

Article

Author(s)

Daniel A Cohen, Aiyesha Dey, Thomas Lys, Shyam V. Sunder

Date Published

2007

Citations

Cohen, A Daniel, Aiyesha Dey, Thomas Lys, and Shyam V. Sunder. 2007. Earnings Announcement Premia and the Limits to Arbitrage. Journal of Accounting and Economics. 43(2-3): 153-180.

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