The vast majority of U.S. public firms announce earnings in the post-close (between the closing bell and midnight, or PC) or the pre-open (between midnight and the opening bell, or PO). Prior literature generally treats PC and PO announcements as equivalent when measuring the market reaction to...

This study generates out-of-sample predictions from training data to construct investment portfolios that are mean-variance optimized and rebalanced daily to assess gains from incorporating signals based on post-earnings announcement drift (PEAD), the earnings announcement premium (EAP), and...

"Abstract: In an important and influential work, Gompers, Ishii, and Metrick (2003) show that a trading strategy based on an index of 24 governance provisions (G-Index) would have earned abnormal returns during the 1991-1999 period, and this intriguing finding has attracted much attention ever...

During the period 1991-1999, stock returns were correlated with the G-Index based on twenty-four governance provisions (Gompers, Ishii, and Metrick (2003)) and the E-Index based on the six provisions that matter most (Bebchuk, Cohen, and Ferrell (2009)). This correlation, however, did not...

Investor-driven "short-termism" is said to harm EU public firms' ability to invest for the long term, prompting calls for the EU to better insulate managers from shareholder pressure. But the evidence offered---rising levels of repurchases and dividends---is incomplete and misleading: it ignores...