继任规划的实证分析

作者 宫岛英昭(教职研究员)、内田交谨(早稻田大学)、浅井优(德勤-托马斯有限责任审计法人)、大森光(德勤-托马斯有限责任审计法人)
发表日期/编号 2026年3月 26-J-015
研究课题 企业治理分析的新领域
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概要

Using data from the Director Compensation Survey 2023 conducted by Deloitte Tohmatsu LLC, this study examines the characteristics of firms that adopt CEO succession plans and the consequences of their adoption. Firms that separate management execution from monitoring—such as those with executive officer systems, higher ratios of outside directors, and voluntary nominating committees—are more likely to implement succession planning. This finding is consistent with the view that when the board of directors has less opportunity to directly observe CEO candidates due to structural separation, succession plans become more necessary. Following the disclosure of a succession plan, stock prices respond positively to CEO turnover announcements. Consistent with prior research, we find that larger firms are more likely to adopt succession plans, supporting the view that organizations requiring skilled CEOs offer a training program in their succession plans. However, we do not find strong evidence that business diversification, institutional ownership, or foreign ownership significantly influence the likelihood of adopting succession plans.