工业经济的节约型增长及其动力

利用资本、能源和劳动三要素随机前沿成本模型对中国工业成本节约之源进行研究,将成本变动分解为技术进步、价格调整、效率改进与规模变动效应。规模扩大是推动2000—2007年工业成本增长的首要因素,其次是价格调整效应。技术进步和效率改进共同推动节约型增长,前者对节约型增长的影响更广泛、深入。主要依靠技术进步实现节约型增长,是新世纪以来工业增长的重要特征。效率改进提供的额外动力使轻工业成为节约型工业增长的先导部门。

The Intensive Growth of Industry and Its Engines

This article adopts a stochastic frontier cost function to study the sources of growth in Chinese industries.The driving force of cost variation is decomposed into four factors.We find that scale expansion is the primary factor that drives the industrial costs up,followed by price adjustments.Technological progress and efficiency improvement lower the industrial costs.And the impact of the former factor is more pervasive.Since the new millennium,the growth of Chinese industries has been mostly driven by technological progress.Benefiting from the efficiency improvement,light industry is leading the industrial growth of China.