Audit Firm Rotation and Earnings Management in Brazil

19 Pages Posted: 15 Jul 2010

See all articles by Antonio Lopo Martinez

Antonio Lopo Martinez

University of Coimbra; Department of Federal Revenue of Brazil

Graciela Mendes Ribeiro Reis

Federal University of Bahia (UFBA)

Date Written: July 14, 2010

Abstract

The main reason for requiring rotation of independent auditors is to preserve independence and ethics in the relationship between the audited company and its external auditing firm and consequently to reduce accounting fraud and errors. To investigate whether this procedure was effective in the Brazilian capital market, we analyzed data on Brazilian public companies between 1997 and 2007. We applied the abnormal working capital accruals (AWCA) method to analyze the effects on earnings management of changing the auditor, focusing on the reason for the change (obligatory or spontaneous), classification of the auditing firm among the Big Four (PwC, DTT, E&Y and KPMG) and length of the relationship with the audited company. The findings indicate there is no significant effect on earnings management of changing the auditing firm. A factor in this respect may be that all of the Big Four have internal policies to rotate the staff assigned to specific audited companies.

Keywords: Audit firm rotation, independent auditing, earnings management

JEL Classification: M41, M42

Suggested Citation

Martinez, Antonio Lopo and Reis, Graciela Mendes Ribeiro, Audit Firm Rotation and Earnings Management in Brazil (July 14, 2010). Available at SSRN: https://ssrn.com/abstract=1640260 or http://dx.doi.org/10.2139/ssrn.1640260

Antonio Lopo Martinez (Contact Author)

University of Coimbra ( email )

Pátio das Escolas
Coimbra
Portugal

Department of Federal Revenue of Brazil ( email )

Brazil

Graciela Mendes Ribeiro Reis

Federal University of Bahia (UFBA) ( email )

Av. Reitor Miguel Calmon, s/n
Vale do Canela
Salvador, Bahia
Brazil

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