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我国钢铁产能过剩长期存在且不断恶化,一个重要原因在于缺乏对我国钢铁产业最优产能的科学精确的测算。本文基于经济效益和社会效益有机结合的基本效率目标,以及产业市场需求曲线和企业技术成本曲线的相应对应形式,构建了产业最优产能的测算模型,实证测算了我国钢铁产业2007年的最优产能。结果表明,2007年我国钢铁产业的最优产能为49500万吨,而实际产量为56460万吨,生产明显处于过剩状态。
An important reason for the long-existing and deteriorating steel overcapacity in our country lies in the lack of a scientific and accurate estimation of the optimal capacity of China’s steel industry. Based on the basic efficiency goal of organic combination of economic benefits and social benefits, and corresponding corresponding forms of industry market demand curve and enterprise technology cost curve, this paper constructs the estimation model of industry optimal production capacity and empirically estimates the optimality of China’s steel industry in 2007 Production capacity. The results show that in 2007, the optimal capacity of China’s steel industry was 495 million tons, while the actual output was 564.6 million tons, and the production was obviously in surplus.