تأثیر رقابت در بازار حسابرسی بر حق‌الزحمۀ حسابرسی: نقش اندازۀ بازار حسابرسی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 کارشناسی ارشد حسابرسی، دانشگاه فردوسی مشهد، ایران.

2 گروه حسابداری، دانشکده علوم اداری و اقتصادی، دانشگاه فردوسی مشهد، مشهد ایران

3 استادیار گروه حسابداری دانشگاه فردوسی مشهد

چکیده

چکیده
این مطالعه به بررسی تأثیر رقابت در بازار حسابرسی، بر حق‌الزحمۀ حسابرسی می‌پردازد؛ همچنین نقش تعدیل‌کنندۀ اندازۀ بازار حسابرسی را بررسی می‌کند. یافته‌های تجربیِ مربوط به بررسی 133 شرکت پذیرفته‌شده در بورس اوراق بهادار تهران، طی سال‌های 1386 تا 1394، نشان می‌دهد رقابت در بازار حسابرسی تأثیر منفی و معناداری بر حق‌الزحمۀ حسابرسی دارد. علاوه‌ بر این اندازۀ بازار حسابرسی، تأثیر منفی رقابت در بازار حسابرسی بر حق‌الزحمۀ حسابرسی را تشدید می­کند. سایر یافته‌ها نشان می‌دهد رقابت در بازار حسابرسی منجر به کاهش کیفیت حسابرسی می‌شود و اندازۀ بازار حسابرسی تأثیری بر رابطۀ مذکور ندارد.

کلیدواژه‌ها

عنوان مقاله [English]

The Effects of Competition in Audit Market on Audit fee: The Role of Audit Market Size

نویسندگان [English]

  • Javad Oradi 1
  • farzaneh nasirzadeh 2
  • Reza Hesarzadeh 3
1 MSc of Auditing, Ferdowsi University of Mashhad, Masshad, Iran.
2 Department of Accounting, Faculty of Administrative and Economic Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
3 Associate Prof, Accounting Department, Faculty of Economics and Administrative Sciences, Ferdowsi Uinversity, Mashhad, Iran
چکیده [English]

    Introduction
In recent years in which competition in all economic fields has been intensified and only those who have the competitive power will remain in the market, providing audit services have not been excluded from this issue. In Iran simultaneously with establishment of Association of Certified Public Accountants in 2001, audit market has experienced a significant increase in the number of audit institutes in private sector. Increasing the number of auditors leads to an increase for the client to choose among the auditors leading to an increase in the competition (Oxera, 2006). Since audit fee is one of the most important indicators for measuring of the audit quality (Blankley, Hurtt & Gregor, 2012; Lobo & Zhao, 2013; Public Company Accounting Oversight Board, 2015), there is a general concern that an increase in the competition in audit market leads to a decrease in the audit fee and consequently reduces of the audit quality. Although studies do not support these concerns (Pearson & Trompeter, 1994, Nurman & Willekens, 2012), the idea that sever competition leads to lower pricing and auditing lower than the standard has also many fans. On the other hand, in majority of the researches the size of the audit market has been ignored. Since competing with the market size has a direct relationship, previous studies have not considered an important variable.
 
Hypotheses
This study aims to investigate the effect of competition in audit market on audit fees and the role of audit market' size in mentioned relationship in listed companies of Tehran Stock Exchange. Thus, the research hypotheses are discussed as follow:
H1: Competition in audit market has a significant effect on audit fee.
H2: Audit market's size has a significant effect on the relationship between the competition in audit market and audit fee.
 
Methods
Thepopulation of this study isall listed companiesin Tehran Stock Exchange.133 companies and the period extending from 2007 to 2015 were selected to test the hypotheses. To provide the information of listed companies in Tehran stock exchange different resources such as information site of Tehran stock exchange were used. Concentration index is used for measuring the competition in audit market. Audit market's size is also measured by companies' assets rank in industries level. Data analysis was also performed in Stata14 software, using ordinary least squares regression (OLS).
 
Results
Research findings show that competition in audit market has a significant negative impact on audit fee. In addition, the results showed that audit market's size has a significant negative impact on the relationship between competition in audit market and audit fee. In the following, supplementary analysis results of the study showed that competition in audit market leads to reducing of the audit quality and audit market's size does not have any significant impact on the relationship between the competition in audit market and audit quality.
 
Conclusion
The first hypothesis test results showed that there is a significant negative relationship between the competition in audit market and audit fee. This result shows that when the competition in market is increased, auditors try to determine the lower pricing in order to have a larger share of the market. Examining the second hypothesis, it was observed that audit market's size has negative impact on the relation between the competition in audit market and audit fee. In other words, by increasing the audit market's size, the negative relationship between the market competition and audit fee is reduced. According to the obtained results related to reducing the audit fee and the audit quality due to the competition in audit market, drafters of the audit market regulations including Association of Certified Public Accountants and Audit Organization are recommended to pursue this issue and form the specialized committees to investigate the auditors' performance precisely in order to keep their independence, ethical competition and quality of auditing operations. Furthermore, it is recommended to the Association of Certified Public Accountants and Audit Organization to reduce the breaking rate probability by determining appropriate mechanisms.
 
  

کلیدواژه‌ها [English]

  • Competition in Audit Market
  • Audit Market Size
  • Audit fee
  • audit quality

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  • تاریخ دریافت: 30 خرداد 1396
  • تاریخ بازنگری: 09 مرداد 1397
  • تاریخ پذیرش: 18 مهر 1397

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