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165

臺大管理論叢

2018/8

28

卷第

2

165-204

DOI:10.6226/NTUMR.201808_28(2).0006

供應鏈關係不確定性對公司信用風險影響之

研究

Supply Chain Relationship Uncertainty and Corporate Credit Risk

摘 要

本研究利用

2000

年至

2008

年美國公司債資料探討供應鏈關係不確定性對公司信用風

險的影響。實證結果顯示,在控制其他影響公司債利差的公司特性及債券特徵變數後,

公司與顧客間的關係不確定性與公司債利差成顯著正相關,但公司與供應商間的關係

不確定性對公司債利差的影響則為不顯著。此結果顯示公司與顧客間的關係不確定性

為影響公司信用風險的重要因素之一。此外,本研究亦發現公司與顧客間的關係不確

定性對公司債利差的影響將不受景氣循環而顯著改變。最後,本研究結果在改用其他

供應鏈關係不確定性的加權變數或控制其他影響現金流量波動風險的變數下仍成立。

【關鍵字】

信用風險、供應鏈關係不確定性、公司債利差

Abstract

This study explores the effects of supply chain relationship uncertainty (SCRU) on

corporate credit risk by American bond market data from year 2000 to 2008. Empirical

results show that the firm-customer relationship uncertainty (FCRU) is significantly and

positively related to bond yield spreads, whereas the firm-supplier relationship uncertainty

(FSRU) exhibits nonsignificant effects when controlling for other well-known bond yield

determinant variables. In addition, this research also finds that business cycle condition

non-significantly changes the FCRU effect on bond yield spreads. Finally, the results we

derive by evaluating SCRU variables through other weighted methods or by controlling

for additional variables affecting cash flow variations are robust.

Keywords

credit risk, supply chain relationship uncertainty, bond yield spreads

陳宗岡

/

國立交通大學管理科學系教授

Tsung-Kang Chen

, Professor, Department of Management Science, National Chiao Tung University

廖咸興

/

國立臺灣大學財務金融學系教授

Hsien-Hsing Liao

, Professor, Department of Finance, National Taiwan University

廖崇佑

/

輔仁大學金融與國際企業學系碩士

Chung-Yu Liao

, Master, Department of Finance and International Business, Fu Jen Catholic University

Received 2014/12, Final revision received 2016/3