基于DEA模型的钢铁企业规模经济有效性研究

数据包络分析方法（DEA）是分析企业相对有效性的一种行之有效的方法，鉴于钢铁经济是我国国民经济的重要组成部分，文中用数据包络分析方法分析我国钢铁企业的规模经济有效性，结果表明，我国大部分钢铁企业的规模经济是无效的，最后，结合研究结果给出一些提高钢铁企业规模经济的建议。

the Iron and Steel Enterprises Based on DEA Model Analysis on Effectiveness of Scale Economy

The method of data envelopment analysis （DEA） is the analysis of enterprise relative validity of a kind of effective method, in view of iron and steel industry is the national economy important component, this paper uses the data envelopment analysis method analysis of China iron and steel enterprises effectiveness of scale economy, the results show that, most of China iron and steel enterprises economy of scale is invalid finally, combining the research results, some suggestions are given to improve the economies of scale that iron and steel enterprises.