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  • 學位論文

會計師對客戶妥協情境之探索

Exploring the situation which auditors compromise their independence

指導教授 : 林昱成

摘要


先前有關探討客戶重要性,是否對會計師獨立性造成影響之文獻,主要是單純假設客戶重要性與會計師獨立性之間呈現線性關係,故以多元迴歸模型做為主要分析工具。然而,本文則認為當會計師做專業判斷時,會先考量受查客戶的財務條件、公司治理、訴訟風險以及身處的審計環境,以衡量財務報表重大不實表達風險的高低,而給予不同程度之盈餘管理空間;亦即本文推論當會計師面對具備不同財務條件、公司治理、訴訟風險以及身處的審計環境特徵的受查客戶時,客戶重要性會對會計師獨立性造成不同程度的影響。本文應用能於不同特徵變數下,分別描述出影響應變數與自變數關係之Cubist迴歸樹模型,並採用1984年至2009年公開發行以上公司作為分析樣本探究之。實證分析結果顯示,多元迴歸之分析結果未能證實客戶重要性影響會計師獨立性;惟本文所採用之Cubist迴歸模型分析結果證實,當受查客戶處於特定財務條件之特徵情況下,會計師會給予客戶小幅度的盈餘管理空間,證實會計師在不影響財務報表重大不實表達風險時,會給予客戶小額的盈餘管理空間而喪失其獨立性,其他情況之下則客戶重要性不致影響會計師獨立性。

並列摘要


The main objective of this paper is to explore the situation which auditors compromise their independence by using Cubist regression tree model. Compare with prior studies used multiple-regression model, the cubist regression tree model can explore the situation which auditors compromise their independence. Using discretionary accruals to proxy for auditors’ independence, cubist regression tree model find a positive association between discretionary accruals and client importance in the specified situation. Further, this paper finds that the impact of client importance on discretionary accruals depends on client’s financial condition.

參考文獻


Altman, E. I., 1968. Financial Ratios, Discriminant Analysis and the Prediction of Corporate Bankruptcy, The Journal of Finance 23, 589-609.
Ashbaugh, H., R. LaFond, and B. W. Mayhew, 2003. Do nonaudit services compromise auditor independence? Further evidence, The Accounting Review 78, 611-639.
Blay, A. D., 2005. Independence threats, litigation risk, and the auditor's decision process, Contemporary Accounting Research 22, 759-789.
Chen, S., S. Y. J. Sun, and D. Wu, 2010. Client importance, institutional improvements, and audit quality in China: An offie and individual auditor level analysis The Accounting Review 85, 127-158.
Chi, W., E. Douthett, and L. Lei, 2010. Client importance and auditor independence: A partner-level analysis, Working Paper.

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