Because internal control audits never existed before the passage of the Sarbanes-Oxley Act (SOX), and these audits became mandatory for all U.S. accelerated filer companies at the same time, it has been difficult to assess the extent of investor demand for these audits. To understand whether...

Theory suggests that information asymmetry between supplier and customer firms exacerbates the holdup problem. We investigate if an auditor common to the supplier and customer firm improves information flows leading to reduction in the holdup problem. Consistent with this notion, we find that...