To better detect potential audit issues, since 2010, the Internal Revenue Service has required firms to file a separate schedule individually disclosing each of their uncertain tax positions (UTPs). This study uses an experiment to examine how this increase in detection risk from the newly...

Prior research finds evidence that audit quality is positively associated with the joint purchase of tax nonaudit services (NAS) and concludes that jointly provided tax services result in audit-related knowledge spillovers that lead to improved audit quality. We extend this line of research. We...