中国煤炭产业进入壁垒研究——基于2008-2014年27个省市数据的实证分析

An empirical study on the entry barriers of coal industry in China —— analysis of data from 27 provinces and cities in China during 2008-2012

针对煤炭产业发展问题,基于2008-2012年中国27个省市的数据,采用实证研究的方法,分析了中国煤炭产业的进入壁垒,结果显示:2008年以前,中国规模以上煤炭企业的数量不断增加,煤炭生产量和消费量整体呈增加趋势,但是现阶段的产能过剩现象很突出,煤炭产业不断集中,而壁垒进入率在整体上呈倒U型曲线,多元回归模型显示煤炭产业进入率与规模经济程度、市场需求、利润率、主营业务税金、国企销售比重、技术水平成反比,销售增长率和固定资产比率成正比。

For the development of coal industry, based on the data of 27 provinces and cities of China during 2008-2012, using the method of empirical research, the entry barriers of China＇s coat industry are analyzed. The results showed that the number of China＇s coal enterprises above designated size increased before 2008. The production and consumption of coal in China indicate an increasing trend, but the current overcapacity phenomenon is very prominent. The barriers to entry in the whole rate of inverted U curve obviously, and the results of the multiple regression model shows the entry rate of the coal industry is inverse proportion to the degree of economy scale, market demand, profit rate, main business taxes, and the sales technical level of state-owned enterprises, while the sales growth rate is in proportional to the ratio of fixed assets.