A metafrontier pollution efficiency analysis of Taiwan's administrative regions

Ming Chung Chang*, Jin-Li Hu, Ching Hsin Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


This study proposes a two-stage approach to perform metafrontier analysis of the pollution efficiency of administrative regions in Taiwan during 2004–2015. The empirical research shows that New Taipei City and Taipei City have the best performances in terms of metafrontier efficiency and the technology gap ratio. In addition, the average score for pollution efficiency in municipalities is higher than that in non-municipalities for three environmental management indices. However, the metropolitan and non-metropolitan regions face different environmental problems in that the former should pay attention to sewage treatment, while the latter should focus attention on preventing air pollution. Finally, Taiwan presents disparity in the environmental technology gap ratio between these two types of regions.

Original languageEnglish
Pages (from-to)393-406
Number of pages14
JournalJournal of Cleaner Production
StatePublished - 10 Jun 2019


  • Metafrontier
  • Technology gap ratio
  • Total-factor pollution efficiency


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