上市公司主营业务贡献与经营绩效的实证分析

Empirical Analysis on the Main Business Contribution and Operation Performance of China's Listed Companies

主营业务是上市公司持续稳定的利润来源 ,其左右着上市公司的核心盈利能力和市场竞争力。主营业务利润占公司总利润的比重的高低及其稳定性还将影响公司经营业绩的稳定性 ,从而也影响公司的后续发展。因此 ,上市公司必须扎根主业 ,壮大主业 ,不断提高主营业务利润的比重 。

Main business is the main source of listed companies' stable profit,and decides listed comanies' profitability and competitive power.The proportion of a company's main business profit of total profit and its stability,will affect the company's operation performance and its stability,and will affect the company's development.Therefore,a listed company must emphasize its main business' development,and raise main business profit's proportion.Only does it so,it can improve the company's value and competitive power.