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Environmental efficiency measures for ports: an application of RAM-Tobit-RAM with undesirable outputs

雑誌名 Maritime policy & management
出版社 Taylor ＆ Francis
巻号 Vol.44 No.5-6
筆者・編者・翻訳者 Qiang Cui
記事概要

Introduction
Methodology
Run RAM model with undesirable outputs again and get the final efficiency
Case study
Opening degree to outside
Per capita gross domestic product
The proportion of state-owned capital
Conclusions

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