This article investigates whether the Japanese Financial Services Agency's mandatory use of XBRL affects investors in assessing the financial information. Although regulators expect the introduction of XBRL to enhance the transparency and quality of business reporting, given the non-trivial...

This article investigates how the stock market reacts to the disclosure of internal control deficiencies under the Japanese Sarbanes-Oxley Act of 2006. Given the Japanese official agencies' attempts to minimize negative shocks, we find no stock market reactions on the whole to the disclosure of...