Does the Market Value Financial Expertise on Audit Committees of Boards of Directors?

ABSTRACT We examine three‐day cumulative abnormal returns around the announcement of 702 newly appointed outside directors assigned to audit committees during a period before implementation of the Sarbanes‐Oxley Act (SOX). Motivated by the SOX requirement that public companies disclose whether they have a financial expert on their audit committee, we test whether the market reacts favorably to the appointment of directors with financial expertise to the audit committee. In addition, because it is controversial whether SOX should define financial experts narrowly to include primarily accounting financial experts (as initially proposed) or more broadly to include nonaccounting financial experts (as ultimately…