Research in the relationship between the structure of ownership control and the business performance in Japanese large business corporations after 1970s

本文分析了1970年、1980年、1990年和2000年日本销售额最大的1000家非金融企业的股权控制结构与经营绩效之间的关系。股权控制结构是指所研究公司真正最大股东的持股类型和持股比例。我们制作了真正大股东的股权类型和持股比例的数据。然后对这些数据进行分析，明确了各年度股权控制结构的特征及其在一段时间内的变化情况。为了分析日本大企业股权控制结构与经营绩效之间的关系，我们对所研究的公司进行了通用的与经营绩效相关的财务比率分析。我们用统计方法检验了上述数据之间的关系。我们验证了(1)实权大股东类型对企业经营绩效的某些比率存在显著差异，(2)实权大股东持股比例对企业经营绩效的影响不强。最终得出的结论是，不同类型的大股东对其控制的高层管理人员的指导方向不同，但对企业经营活动结果的影响力度较弱。

We analyzed the relationship between the structure of ownership control and the business performance in Japanese largest 1000 non-financial corporations in sales in 1970,1980,1990 and 2000. The structure of ownership control means the type and the percentage of stock ownership of the real top shareholders of researched corporations.1.We made the data of the type and the percentage of stock ownership of the real top shareholders. Then we analyzed these data and made clear the characteristics of the structure of ownership control in each year and the change of that in a passage of the years.2.We made generally used financial ratios concerned with business performance of researched corporations in order to analyze the relation between the structure of ownership control and business performance in Japanese large business corporations.3.We tested the relation between the data mentioned above by the statistical methods. And we verified (1)there are significant differences in some ratios on business performance between the types of the real top shareholders, (2)the percentage of stock ownership of the real top shareholders has not powerful influence to business performance.Ultimately we got the conclusion that each type of the largest shareholders gives a different direction to the top management controlled by them, but the strength of their influence to the result of business activities is weak.