Akhigbe, Aigbe; Martin, Anna D.; Newman, Melinda L. - In: Financial Management 39 (2010) 3, pp. 1253-1272
"We investigate the roles of information asymmetry and governance in the wealth effects associated with passage of the Sarbanes-Oxley Act (SOX) for a sample of 1,158 firms. For events suggesting adoption of stringent reform legislation, we find more (less) favorable abnormal returns (ARs) for...