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  • 學位論文

影響會計師事務所客戶組合之因素探析

The Study on Factors That Affect Audit Firms’ Client Portfolios

指導教授 : 楊炎杰
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摘要


本研究係探討在會計師法律責任加重環境之下,客戶風險是否影響會計師事務所之委任決策(續任或不續任),進而改變事務所的客戶組合,另外再加上以下因素:會計師事務所規模、博達案前後、產業專家,綜合探討會計師事務所之客戶組合。 本研究採用財務風險衡量審計客戶的委任風險並考量審計風險,以Logistic迴歸模型評估是否影響會計師事務所委任決策。研究期間為1996年至2009年,以台灣上市櫃、興櫃及公開發行公司為樣本。研究結果發現:會計師事務所不續任客戶與續任客戶相較之下,確實有較高的委任風險及審計風險;相對於非大型會計師事務所,大型會計師事務所傾向於不續任查核風險較高之客戶;博達案對事務所委任決策的影響,僅反應在大型事務所對客戶的財務風險(TCRI);大型事務所若為產業專家會傾向於續任審計客戶,但如果將SPEC與TCRI交乘,結果並不顯著,甚至在博達案後係數方向為正,表示博達案後即使事務所為產業專家,也不願意續任財務風險高的客戶;最後,大型事務所更換到非大型事務所之客戶風險的確比更換到大型事務所之客戶風險高。

並列摘要


This study investigates whether the client risk affects engagement decisions of audit firms (the firm’s continuing, and discontinued clients), and then changes the client portfolios of audit firms. The following factors: audit firm size, procomp scandal, and industry specialization, added to generally discuss the client portfolios of audit firms. This study measures engagement risk by financial risk of audit clients and considers audit risk. Use Logistic regression model to assess whether engagement risk and audit risk affect the engagement decisions of audit firms. During the study period from 1996 to 2009, the sample includes TSE, OTC and public companies in Taiwan. The results show that the firm’s discontinued clients are more risky than continuing clients including engagement risk and audit risk; big audit firms more intended to discontinue risky clients than non-big audit firms; Procomp scandal only affect the clients’ financial risk (TCRI) of big audit firms; if big audit firms are industry specialization, more intended to continue audit clients. But the result of multiplied by SPEC and TCRI is not significant, the coefficient even turns to positive after Procomp scandal. That means audit firms are not willing to audit risky clients after Procomp scandal, even audit firms are industry specialization. Finally, the clients from big audit firms change to non-big audit firms are more risky than change to big audit firms.

參考文獻


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