In this study, we investigate the economic impact of flaming on the Internet using Japanese data. In examining the data on firms that experienced flaming between 2006 and September 2013, we establish the following three main findings. First, large firms and ones with negative net income are more...

This study examines firms' decision to voluntarily adopt IFRS in a setting where there are changes to the governance system in a traditionally code law country and how market responses to such decisions. We find the probability of voluntary IFRS adoption to be higher among firms that have a high...

We aim to perform a comprehensive analysis of the effects of stock ratings and target prices published in the Japanese markets using a large number of analyst reports. Our study is the first to cover reports published by six domestic brokerage firms and ten foreign brokerage firms. In addition...

This study examines the impact of the COVID-19 pandemic on Japanese stock markets using data on the 225 companies included in the Nikkei Average Index. Japan has succeeded in maintaining the number of positive cases and deaths at a relatively low level. However, the Japanese stock market...

Two issues are investigated herein, using Japanese data: (1) the relationship between corporate governance and voluntary adoption of International Financial Reporting Standards (IFRS), and (2) market reactions to announcements of such an adoption of IFRS. Prior studies suggest that the economic...

This paper investigates how stock markets react to the release of R&D-related news by studying stock price data for firms listed on the first section of the Tokyo Stock Exchange between 2000 and 2006. If information uncertainty is the major cause of the post-announcement drift, post-announcement...

The purpose of this study is to investigate the effect of the accident at the Fukushima Daiichi nuclear power station, which is owned by Tokyo Electric Power Co. (TEPCO), on the stock prices of the other electric power utilities in Japan. Because the other utilities were not directly damaged by...

This study examines the impact of the COVID-19 pandemic on Japanese stock markets using data on the 225 companies included in the Nikkei Average Index. Japan has succeeded in maintaining the number of positive cases and deaths at a relatively low level. However, the Japanese stock market...

The evolving literature on using Twitter to capture investor sentiment suggests that stock market performance is linearly associated with Twitter's public mood. We investigate whether investor sentiment determined by the Twitter sentiment index (TSI) has a nonlinear predictive power for stock...