In 2003, the Financial Supervisory Authority of Norway (FSA) disclosed that audit firms had violated the legal restrictions for providing non-audit services (NAS). In response, the FSA tightened the NAS regulations. This study examines how regulatory oversight affects the relation between the...

Purpose – The purpose of this paper is to examine how the mandatory shift from Norwegian Generally Accepted Accounting Principles (NGAAP) to International Financial Reporting Standards (IFRS) in Norway affected the valuation weights of earnings and book values, with the aim of gaining insights...