通过对中国钢铁产业政策演进过程的归纳总结，利用投入产出模型、经济计量模型以及层次分析法思路对中国钢铁产业政策效应进行评价。
The process of iron and steel industrial policies ' evolution is summarized , then the efficacy of these policies is evaluated by applying the input-output method , econometric model and the frame of analytic hierarchical approach .
经济计量模型法