This study examines whether there is a difference in the degree of accounting conservatism between firms that voluntarily adopt International Financial Reporting Standards (IFRS) and those that use local accounting standards in Japan, being a traditional code-law country that is undergoing changes in its governance system. The difference-in-difference approach reveals that the degree of conditional conservatism decreases for IFRS adopters and more sharply for Japanese accounting standards’ users between 2009/2010 and 2018/2019, resulting in relatively larger conditional conservatism for IFRS adopters. The regression analysis shows that the change in conditional conservatism is positively associated with IFRS adopters having a high foreign shareholders ratio. This study makes several contributions to the related literature. First, to the best of our knowledge, this study is the first to provide a comparative analysis of IFRS and Japanese accounting standards with respect to conservatism. Second, additional evidence is provided on the relationship between conservatism and corporate governance.

中文翻译：

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IFRS采用与日本公司治理体系转型的会计稳健性

本研究探讨自愿采用国际财务报告准则 (IFRS) 的公司与采用当地会计准则的日本公司之间的会计稳健性程度是否存在差异，日本是一个正在经历治理变革的传统法典国家。系统。差异中的差异法表明，在 2009/2010 年和 2018/2019 年期间，IFRS 采用者的条件保守性程度下降，而日本会计准则使用者的条件保守性程度下降，导致 IFRS 采用者的条件保守性相对较大。回归分析表明，条件保守主义的变化与外国股东比例较高的IFRS采用者呈正相关。本研究对相关文献做出了一些贡献。第一的，据我们所知，本研究首次对 IFRS 和日本会计准则的保守性进行了比较分析。其次，为保守主义与公司治理之间的关系提供了额外的证据。