Abstract Improving the utilization efficiency of construction land is critical to meet the demand of urban construction land in China. Considering environmental pollution under the condition of undesirable output,we employed the SBM-Undesirable and meta-frontier model based on 2000-2014 panel data for 2...
Environmental Modeling & Assessment - The traditional meaning of ecological efficiency generally considers only the ratio of economic output to environmental input. This paper expands the...doi:10.1007/s10666-022-09846-1Huang, LizhenSchool of Mathematics and Physics, Wenzhou University, Wenzhou, People...
A. Alice was the writer's classmate. 1 . B.Alice oflen played basketball in the street. ' C.Alice was very hard-working and often sludied till late. D. Alice's school was not far away from the writer's home. ( )55. The underlined word" moved"has the same meaning as the ...
sustainability Article The Total-Factor Energy Efficiency of Regions in China: Based on Three-Stage SBM Model Haifeng Huang 1 and Tao Wang 2,* 1 HSBC Business School, Peking University, Shenzhen 518055, China; huanghf@phbs.pku.edu.cn 2 Big Commodity Business School, Ningbo University of ...
The meaning of slacks in DEA differs from that in managerial science where it could be less exact and have more qualitative substance. Inequality (1) can be then rewritten as [33]: 𝑥0=𝑋𝜆+𝑠−x0=Xλ+s− 𝑦0=𝑌𝜆−𝑠+y0=Yλ−s+ (3) Output and input slack ...