In this study, the authors investigate the impact of sport sponsorship announcements on the stock prices of sponsors and their rivals in Japan. The event study analyses show that while market reactions for Japanese sponsors are significantly positive, those for rivals are significantly negative....

This article investigates stock market reactions to announcements related to the introduction of the Financial Instruments and Exchange Law or the so-called Japanese Sarbanes-Oxley Act (J-SOX), which was enacted to reinforce corporate accountability and responsibility after several corporate and...