環(huán)境約束下鋼鐵行業(yè)全要素能源效率及影響因素研究
[Abstract]:As an important basic industry of national economy, iron and steel industry is also a high energy consumption and high pollution industry. It is an important emission source of pollutants such as waste water, waste gas and so on. The contradiction between steel industry and resources and environment is becoming more and more serious. It has become the key area of energy saving and emission reduction in our country. Objectively and accurately evaluating the energy efficiency of iron and steel industry plays an important role in improving the level of energy efficiency of iron and steel industry, speeding up the iron and steel industry to bear social responsibility, and building "beautiful China". Based on the concept of total factor energy efficiency and the framework of "multi-input-multi-output", this paper draws lessons from SBM model and Luenberger productivity index based on relaxation non-radial and non-angle. The index measure model of total factor energy efficiency considering environmental pollution factor is constructed. The energy efficiency of iron and steel industry in 29 provinces and autonomous regions of China from 2000 to 2011 was calculated and dynamically decomposed. On the basis of this, the factors affecting energy efficiency of steel industry were further studied by panel model. The results show that environmental pollution causes losses to the energy efficiency of iron and steel industry, and the energy efficiency of iron and steel industry in the east is higher than that in the middle and western regions under environmental constraints. Under environmental constraints, the major sources of energy inefficiency in most provinces include Shanghai, Tianjin, Jiangsu, Ningxia, Qinghai, and the excessive emission of pollutants. The energy efficiency of iron and steel industry is on the rise under environmental constraints. The average growth rate of total factor energy efficiency under environmental constraints is higher than that without environmental constraints, the regional difference of total factor energy efficiency growth in iron and steel industry under environmental constraints is obvious, the growth rate is the fastest in the central region, followed by the eastern and western regions. Under the restriction of environment, the growth rate of total factor energy efficiency varies greatly in different provinces, and the most important source of energy efficiency growth in most provinces is technological progress. Among the factors that affect the energy efficiency of steel industry, it is found that the influence of industry average scale, energy price and technological progress on the total factor energy efficiency of steel industry under environmental constraints is positive. The influence of property structure, energy consumption structure and the level of opening to the outside world is negative. At the regional level, the energy structure and technological progress are the same driving factors for the three regions, and the other four factors have different effects on the three regions.
【學(xué)位授予單位】:華北電力大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類(lèi)號(hào)】:F426.31
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