This paper addresses the effects of a prohibition on providing non-audit services (NAS) to audit clients. By combining a strategic auditor-client game with a circular market-matching model that has an endogenous number of auditors, we take into account the interdependence between the auditors'...

The main objectives of recent audit market regulations are to (1) increase audit quality, (2) decrease audit market concentration, and (3) foster competition between audit firms. However, the empirical evidence on whether such regulations fulfill these goals is limited. We construct a unique...

Because mandatory audit firm rotation (MAR) limits the economic rents earned from a client, regulators regard MAR as a means to address the threat of impaired auditor independence. Moreover, regulators expect that MAR increases the dynamism of the audit market and decreases the market shares of...

Recently, a system of audit firm rotation has been implemented for the audits of listed companies conducted in the EU. In the US, in contrast, the regulator decided against such rotation. Whereas proponents argue that rotation would strengthen independence and decrease audit market...