Zhou Yang, Kong Ying, Sha Jie, Wang Hankun
Shenzhen Environmental Science and New Energy Technology Engineering Laboratory, Tsinghua-Berkeley Shenzhen Institute, Shenzhen 518055, China.
Shenzhen Environmental Science and New Energy Technology Engineering Laboratory, Tsinghua-Berkeley Shenzhen Institute, Shenzhen 518055, China; Department of Economics, York University, 4700 Keele Street, Toronto, Canada M3J 1P3.
Sci Total Environ. 2019 Oct 15;687:1327-1336. doi: 10.1016/j.scitotenv.2019.06.182. Epub 2019 Jun 14.
The Chinese government has grown increasingly invested in ecology in recent years. This paper discusses eco-efficiency using data envelopment analysis on 48 cities in Bohai Rim with special focus on the role of industrial structure upgrades. Based on the values from a super undesirable slack-based model, this study investigates eco-efficiency from temporal and spatial perspectives to reveal gaps among Bohai cities but an overall improvement in regional eco-efficiency. Moreover, this study adopts the Global and Local Moran's I to identify positive spatial autocorrelations and shows that most cites in Bohai Rim have high-high, low-low aggregation characteristics. Plus, the economic effects of per capita GDP, industrial structure upgrades on eco-efficiency are determined according to a spatial Durbin model. There appear to be negative spillover effects of industrial structure upgrades on surrounding cities, which reflects an industry transfer phenomenon related to eco-efficiency.
近年来，中国政府对生态的投入日益增加。本文运用数据包络分析方法，对环渤海地区48个城市的生态效率进行了探讨，特别关注产业结构升级的作用。基于超非期望松弛变量模型的结果，本研究从时间和空间角度考察了生态效率，以揭示环渤海城市之间的差距，但区域生态效率总体有所提高。此外，本研究采用全局和局部莫兰指数来识别正空间自相关，并表明环渤海地区的大多数城市具有高高、低低聚集特征。另外，根据空间杜宾模型确定了人均GDP、产业结构升级对生态效率的经济影响。产业结构升级对周边城市存在负向溢出效应，这反映了与生态效率相关的产业转移现象。
