This book carefully examines the effects of changes in the corporate governance structure on corporate behavior or company performance, using micro-data from listed companies in Japan. The author found that in Japan the introduction of stock options had neither a positive impact on profitability nor the negative side effects of promoting risk-taking behaviors. Furthermore, he found that corporate diversification and division of corporations showed negative impacts on profitability.

The corporate governance structure of Japan has exhibited a large change from the second half of...