【摘要】 定义了萍乡煤业集团全部生产要素的生产率 ,设计出计算模型 ,并从中分离出投入量、投入结构和投入产出系数对产业变动的不同影响效果的计算公式 .利用模型对萍乡煤业集团产业变动的效果进行了测算和分析 ,指出了其投入量、投入结构和投入产出系数对产业变动的不同影响效果 ,揭示了其在近几年内产业变化的动态过程 .更多还原

【Abstract】 The productivity of Pingxiang Coal Group’s total produced element is defined and appropriated calculated model is planned out,calculated formula of diffect which input structure and coeffcient of input*.output affects movement respectively is summarized from the calculated model.The calculation and analysis on the movement effect of Pinxiang Coal Group’s industrial struture has been pressnted according to the model.The dynamic process of industry movement has been pointed out.更多还原