Journal article
Using Malmquist Indexes to measure changes in the productivity and efficiency of US accounting firms before and after the Sarbanes–Oxley Act
Omega (Oxford), v 37(5), pp 951-960
2009
Featured in Collection : UN Sustainable Development Goals @ Drexel
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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Details
- Title
- Using Malmquist Indexes to measure changes in the productivity and efficiency of US accounting firms before and after the Sarbanes–Oxley Act
- Creators
- Hsihui Chang - Drexel UniversityHiu Lam Choy - Drexel UniversityWilliam W. Cooper - The University of Texas at AustinTimothy W. Ruefli - The University of Texas at Austin
- Publication Details
- Omega (Oxford), v 37(5), pp 951-960
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Accounting
- Web of Science ID
- WOS:000264655200002
- Scopus ID
- 2-s2.0-60649083760
- Other Identifier
- 991019168824504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Management
- Operations Research & Management Science