This repository stores scripts to run the data envelopment analysis (DEA) model and its extensions.

The academic works by the authors can be viewed at https://scholar.google.com/citations?user=jxTofWAAAAAJ&hl=en

Available functions include:

• Directional distance function with undesirable output
• Zero-sum gains data envelopment analysis
• Mamlquist Luenberger Index and its decomposition to technological change and efficiency change
• Centralized data envelopment analysis for emission trading market

Please consider cite the following articles if you find the codes helpful:

• Yang F, Choi Y, Lee H, Debbarma J. Sustainability of Overlapped Emission Trading and Command-And-Control CO2 Regulation for Korean Coal Power Production: A DEA-Based Cost-Benefit Analysis. Frontiers in Environmental Science. 2022:280.
• Yang, F.; Choi, Y.; Lee, H. Convergence or Divergence? Emission Performance in the Regional Comprehensive Economic Partnership Countries. Sustainability 2021, 13, 10135. https://doi.org/10.3390/su131810135
• Y. Choi, H. Wang, F. Yang, H. Lee. Sustainable Governance of the Korean Freight Transportation Industry from an Environmental Perspective. Sustainability 2021, 13 (11), 6429
• F. Yang*, Y. Choi, H. Lee. Life-cycle data envelopment analysis to measure efficiency and cost-effectiveness of environmental regulation in China’s transport sector. Ecological Indicators 2021, 126, 107717.
• Choi Y, Yang F, Lee H. On the Unbalanced Atmospheric Environmental Performance of Major Cities in China. Sustainability. 2020; 12(13):5391. https://doi.org/10.3390/su12135391