Capital Market Consequences of Information about Individual Auditors

Author:

Wu Bin1ORCID,Liu Yunjing2ORCID,Zhang Min3ORCID,Zhang Ziyi3ORCID

Affiliation:

1. School of Economics and Business Administration, Central China Normal University, Wuhan 430079, China

2. College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

3. School of Business, Renmin University of China, Beijing 100872, China

Abstract

Synopsis The research problem This study examines the capital market consequences of the voluntary disclosure of individual auditor information. Specifically, we examined whether and how the disclosure of auditor qualification certificates is associated with information asymmetry and investors’ responses to earnings. Motivation Regulators have recently started to focus on disclosing auditor information beyond their names such as in China, where it is increasingly important in practice. Although prior studies have demonstrated benefits associated with the mandatory disclosure of partners’ names, there is relatively little evidence of the usefulness of additional information about individual auditors that could be provided voluntarily. This study sheds light on the economic consequences of disclosing detailed information about individual auditors and extends the voluntary disclosure literature. The test hypotheses We tested the following hypotheses in this study: (a) voluntary disclosure of auditor qualification certificates is associated with lower information asymmetry and (b) voluntary disclosure of auditor qualification certificates is not associated with investors’ reactions to corporate earnings announcements. Target population Stakeholders of listed companies and audit firms, including company managers, investors, and accounting regulators. Adopted methodology Ordinary least squares regressions, archival data, interviews, and machine learning methods to obtain initial data. Analyses We first crawled the annual audit reports of listed companies in China and used machine learning methods to capture voluntary disclosure of auditor qualification certificates. In a sample of more than 14,000 Chinese company-years from 2012 to 2018, we identified 10.5% of the observations voluntarily disclosing auditor qualification certificates. We used the bid-ask spread as the proxy of information asymmetry, and the earnings response coefficient refers to the coefficient on unexpected earnings to the cumulative abnormal returns. Findings We found that the voluntary disclosure of auditor qualification certificates is associated with lower information asymmetry and stronger market reaction to earnings announcements. The main results hold through various robustness tests. Cross-sectional analyses show that this association is less pronounced when a company employs a larger audit firm or has higher analyst coverage. Further, the specific information conveyed by the auditor qualification certificate, such as the auditor’s facial trustworthiness, helps explain the economic consequences associated with voluntary auditor qualification certificate disclosure. Moreover, an initial disclosure of auditor qualification certificates is associated with greater effects.

Funder

National Natural Science Foundation of China

Publisher

World Scientific Pub Co Pte Ltd

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