Information content of credit rating affirmations

被引:1
|
作者
Jung, Boochun [1 ]
Kausar, Asad [2 ]
Kim, Byungki [3 ]
Park , You-il [1 ]
Zhou, Jian [1 ]
机构
[1] Univ Hawaii Manoa, Shidler Coll Business, Honolulu, HI 96822 USA
[2] Amer Univ, Kogod Sch Business, Washington, DC USA
[3] Univ Queensland, UQ Business Sch, Brisbane, Australia
关键词
bond yield spread; credit rating affirmations; information content; information uncertainty; stock market reactions; confirmations de notations de credit; contenu de l'information; ecarts de rendement d'obligations; incertitude liee a l'information; reactions du marche des actions; BOND; ANNOUNCEMENTS; UNCERTAINTY; AGENCIES; ANALYSTS; MARKET;
D O I
10.1111/1911-3846.12921
中图分类号
F8 [财政、金融];
学科分类号
0202 ;
摘要
We examine the economic determinants and informational effects of credit rating affirmations (i.e., the reiteration of past credit ratings) for a sample of US public firms from 1995 to 2020. We find that credit rating affirmations typically follow major corporate events and changes in firm fundamentals that increase information uncertainty about a firm's creditworthiness, suggesting that affirmations reduce uncertainty. We further document that rating affirmations provide value-relevant information to equity and debt investors. Using a short-window event study method, we show that equity investors react positively to rating affirmations and that information uncertainty around affirmations diminishes. These findings are more pronounced for firms with non-investment-grade ratings. We further show that our results strengthen for firms with greater pre-affirmation information uncertainty. Finally, consistent with our information uncertainty reduction results from the stock market, we report that bond yield spreads decrease for affirmed firms. Again, the effect is more pronounced for firms with non-investment-grade ratings. In summary, we highlight the significant capital markets' effects of credit rating affirmations, an area that the literature has largely ignored. Le contenu informatif des confirmations de notations de creditLes auteurs examinent les facteurs economiques determinants et les effets informationnels des confirmations de notations de credit (c.-a-d. la reattribution des notations de credit existantes) pour un echantillon d'entreprises publiques aux etats-Unis de 1995 a 2020. Ils constatent que les confirmations de notations de credit surviennent souvent a la suite d'evenements decisifs et de changements dans les principes fondamentaux de l'entreprise, ce qui accentue l'incertitude liee a l'information sur la solvabilite de l'entreprise. Cela suggere que les confirmations reduisent le niveau d'incertitude. Les auteurs demontrent egalement que les confirmations de notations de credit fournissent des informations pertinentes aux investisseurs en fonds propres et en titres de creance. En utilisant une methode d'etude d'evenements a court terme, ils montrent que les investisseurs en fonds propres reagissent positivement aux confirmations de notations de credit et que le niveau d'incertitude relative a l'information diminue au moment des confirmations. Les resultats obtenus sont plus tranches pour les entreprises dont la qualite des notations de credit est inferieure. De plus, les resultats sont plus probants pour les entreprises dont l'incertitude liee a l'information est plus grande avant la confirmation. Enfin, en accord avec leurs resultats sur la reduction du niveau d'incertitude relative a l'information sur le marche des actions, les auteurs soutiennent que les ecarts de rendement d'obligations diminuent pour les entreprises ayant obtenu une confirmation. La encore, l'effet est plus marque pour les entreprises dont la qualite des notations de credit est inferieure. En somme, les auteurs mettent en evidence les effets significatifs des confirmations de notations de credit sur les marches financiers, un domaine qui a ete largement neglige par la litterature.
引用
收藏
页码:645 / 678
页数:34
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