我国碳生产率的收敛性研究

Study on Convergence of Carbon Productivity in China

文章对我国29个省、自治区、直辖市1995—2010年期间的碳生产率进行了测算,分析了碳生产率在全国以及东、中、西三大区域的差异,构造面板数据模型研究了区域碳生产率的收敛性。研究发现:在样本期间内,全国碳生产率水平逐年增加,东、中、西三大区域碳生产率水平呈由东到西递减格局。碳生产率收敛检验结果显示:全国和东部存在绝对β收敛,中部和西部不存在绝对β收敛,全国和三大区域均存在条件β收敛,东部收敛速度最快,其次是中部和西部,人均GDP、产业结构、能源强度、城市化水平对收敛有显著影响。

Having estimated the carbon productivity of 29 provinces in China during 1995--2010, this paper analyzed the disparity in the country as well as eastern, central and western regions, and constructed the panel data model to analyze the convergence of carbon productivity. The study found that the level of national carbon productivity increased year by year and the levels of carbon productivity of three regions were decreasing from east to west. The results of carbon productivity convergence tests showed the existence of absolute β convergence in the whole nation and eastern provinces, but not in central and western prov- inces. While national and three regions all showed the existence of conditional β convergence. The convergence speed of eastern provinces is fastest, followed by the central and western and per capita GDP, industry structure, energy intensity and consumption structure had significant effects on the convergence of carbon productivity.