【摘要】 投资项目的成功与否，在很大程度上取决于投资项目的实施过程，本论文使用数据包络分析（ＤＥＡ）的方法，对煤炭企业非煤产业的一些投资项目的实施过程进行了科学评价，为项目的跟踪管理提供了理论依据。更多还原

【Abstract】 Whether or not success of an investment project depends to a large extent on running process after investment. In this paper, using a method of date envelopment analysis(DEA) we evaluate the running process of the investment projects of non coal industries in mining enterprises group, and provide theory basis for following management of the projects.更多还原