Bebchuk, Lucian A.; Cohen, Alma; Wang, Charles C.Y. - In: Journal of Financial Economics 108 (2013) 2, pp. 323-348
The correlation between governance indices and abnormal returns documented for 1990–1999 subsequently disappeared. The … good-governance and poor-governance firms. Consistent with learning, the correlation's disappearance was associated with … increases in market participants' attention to governance; market participants and security analysts were, until the beginning …