Do Commercial Ties Influence ESG Ratings? Evidence from Moody's and S&P(商业关系会影响ESG评级吗?来自穆迪和标准普尔的证据)

时间:2023-06-20         阅读:

光华讲坛——社会名流与企业家论坛第6537期

主题Do Commercial Ties Influence ESG Ratings? Evidence from Moody's and S&P(商业关系会影响ESG评级吗?来自穆迪和标准普尔的证据)

主讲人新加坡管理大学 张连栋教授

主持人经济与管理研究院 尚华副教授

时间7月4日 10:00—11:30

地点柳林校区格致楼1211会议室

主办单位:经济与管理研究院 科研处

主讲人简介:

张连栋教授是新加坡管理大学会计学院的会计学教授。他于2017年加入新加坡管理大学,担任会计学院副院长(研究)。他目前的研究兴趣包括财务报告质量、公司治理和税收。张教授在The Accounting Review,Journal of Accounting Research,Journal of Accounting and Economics,Contemporary Accounting Research, Journal of Financial Economics,Journal of Corporate Finance等期刊上发表多篇文章。同时也是Corporate Governance: An International Review的主编和Asia-Pacific Journal of Accounting and Economics的副主编。

内容提要:

We provide the first evidence that conflicts of interest arising from commercial ties lead to environmental, social, and governance (ESG) rating bias. After the acquisitions of Vigeo Eiris and RobecoSAM by Moody’s and S&P, respectively, the ESG rating agencies issue higher ratings to existing paying clients (i.e., credit rating clients) of Moody’s or S&P, relative to firms without commercial ties to the ESG rating agencies. The effect is greater for firms that have more intensive business relationships with Moody’s or S&P, issue green bonds, disclose less ESG information, or have lower pension fund ownership. The upwardly biased ESG ratings are less informative, and investors appear to be unable to see through the inflated ESG ratings. Finally, we find some evidence that the upwardly biased ESG ratings help Moody’s and S&P maintain credit rating business.

我们提供了第一个证据,证明商业关系引起的利益冲突会导致环境、社会和治理(ESG)评级偏差。在穆迪和标准普尔分别收购Vigeo Eiris和RobecoSAM之后,相对于与ESG评级机构没有商业关系的公司,ESG评级机构向穆迪或标准普尔的现有付费客户(即信用评级客户)颁发更高的评级。对于与穆迪或标准普尔有更密切业务关系、发行绿色债券、披露较少ESG信息或拥有较低养老基金所有权的公司,影响更大。上偏的ESG评级信息量较少,投资者似乎无法看穿夸大的ESG评级。最后,我们发现一些证据表明上调的ESG评级有助于穆迪和标准普尔维持信用评级业务。