... Mandatory Audit Firm Rotation and Audit Quality: Empirical Evidence from the Korean Audit Market 1. Introduction The Korean Financial Supervisory Services (FSS) has mandated audit firm rotation ... Korea between 2000 and 2007, this study examines the effect of mandatory audit firm rotation on audit hours, audit fees, and audit quality. Since the Korean government mandated audit firm rotation ... the effect of mandatory audit firm rotation on audit hours, audit fees, and audit quality. Since the Korean government mandated audit firm rotation in 2006, (1) audit hours increased, (2) audit...