BALL, RAY; SHIVAKUMAR, LAKSHMANAN - In: Journal of Accounting Research 46 (2008) 5, pp. 975-1016
<heading id="h1" level="1" implicit="yes" format="display">ABSTRACT</heading>We quantify the relative importance of earnings announcements in providing new information to the share market, using the "R"-super-2 in a regression of securities' calendar-year returns on their four quarterly earnings-announcement "window" returns. The "R"-super-2, which averages...