The balance and ration of equity structure concerns with the perfection of the firm mechanism of governance directly, and then influences the management performances of firms.
股权结构的均衡与合理程度直接关系到企业治理机制的完善，进而影响企业的经营绩效。
Using data of listed companies in China from 2002 to 2005, the research studies the impact of external institutional environments and internal governance structure on firm competitive advantage.
以2002 ~ 2005年中国上市公司为样本，实证分析了外部制度环境和内部治理结构对企业竞争优势的影响。
Based on the reasonable ownership structure, corporate governance can become perfect, the good performance comes true and firm value is upgraded.
只有股权结构合理，才能形成完善的公司治理结构，进而才能保证企业取得良好的经营绩效，提升企业价值。
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