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  • 學位論文

盈餘管理、資訊不對稱與信用評等之關聯性研究

Earnings Management, Information Asymmetry and Firms’ Credit Ratings

指導教授 : 呂珮珊
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摘要


本研究主要目的是探討企業之盈餘管理資訊內涵對其信用評等的影響,並進一步探討,在投資市場存有資訊不對稱的情況下對信用評等的關聯性。本研究推論企業從事盈餘管理行為會對信用評等有影響,且認為企業操縱盈餘的行為會提高違約機率時,故將反應在企業信用之評等;再考量信用評等的因素後,本研究認為當存在資訊不對稱而未偵測到企業進行盈餘管理之行為時,則盈餘管理會對信用評等造成正相關的影響。實證結果顯示,資訊不對稱對盈餘管理呈顯著正相關,在存有資訊不對稱的情況下,盈餘管理對信用評等呈顯著負相關,表示資訊不對稱的程度愈高者,愈會採取盈餘管理,其信用評等愈有機會提高。

並列摘要


The purpose of this study is to examine the relationship between earnings management and firms’ credit ratings. Furthermore, this study explores association between earnings management and credit ratings under existence information asymmetry. Based on previous studies, this study proposes that firms engaged in earnings management would influence firms’ credit ratings. Therefore, the behavior of firms manipulated their earnings will increase the profitability of firms’ default as well as will influence the credit ratings of the firms. Also, this study suggests that earnings management and credit ratings are positive relationship under existence of information asymmetry and undetected earnings management. Empirical results show that, information asymmetry is significantly positive related to earnings management.earnings management is significantly negative related to credit ratings, under existence of information asymmetry. It represents that higher information asymmetry is more likely to implement earnings management, and have more opportunity to improve in their credit ratings.

參考文獻


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