Chang, Hsihui Choy, Hiu Lam Cooper, William W. Ruefli, Timothy W.
Abstract
There have been many criticisms of the Sarbanes-Oxley (SOX) Act passed in July of 2002 to correct business accountability and performance practices. The act has a major emphasis on accounting and its practices. This paper attempts a response to these criticisms by investigating changes in productive efficiency for 62 of the largest US public accounting firms between the periods (2000-2001) and (2003-2004)--the periods before and after enactment of SOX in July of 2002. DEA is used to calculate Malmquist indexes of productivity and efficiency changes. This index is used because it can distinguish between changes in technical efficiency, which limit the possibilities, and changes in the performance efficiencies for each firm. Contrary to many of the criticisms, results indicate that accounting firms have exhibited significant post SOX growth in productive efficiency which is better than pre-SOX performances.
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Article provided by Elsevier in its journal Omega.
Volume (Year): 37 (2009) Issue (Month): 5 (October) Pages: 951-960 Download reference. The following formats are available: HTML
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