东北地区生态效率评价及其影响因素分析

Eco-efficiency evaluation and influencing factors analysis of northeast China

摘要:

文章基于东北三省2005-2014年十年间的面板数据，构建了超效率DEA模型的生态效率指标体系，通过利用超效率DEA模型对该地区的生态效率进行评价，采用Malmquist指数计算其效率变动值，并进行横向和纵向对比分析各变动的内在原因，研究发现东北地区的生态效率整体呈现良好的发展趋势，各省效率值始终大于1，且发展的主要推动力来自于技术进步和规模效率，通过对区域生态效率影响因素进行Tobit模型的实证分析，结果表明研发强度和利用外资对生态效率呈正向影响，但工业结构、人口密度及城市化率是负面的。最后针对提高区域的生态效率提出相应的建议。

关键词:生态效率 超效率DEA Malmquist指数 Tobit回归

Abstract:

Based on the 2005--2014’s Panel Data of northeastern provinces , building eco-efficiency indicator system of super efficiency DEA, using super-efficiency DEA model to evaluate regional eco-efficiency, and using Malmquist index to calculate variation of efficiency value, through horizontal and vertical comparative analysis of the underlying causes of each change, eco-efficiency study found that the Northeast region showed a good tendency as a whole, and provincial efficiency is always greater than 1, technological progress and scale efficiency the main driving force of development, through empirically analyze regional eco-efficiency factors by Tobit model, results show that R & D intensity for eco-efficiency and utilization of foreign capital were positive impacts, but the industrial structure, population density and urbanization rate are negative. Finally, making recommendations for improving eco-efficiency area.

Key words:Ecological efficiency; Super efficiency DEA; Malmquist index; Tobit regression