循環經濟是一個資源可恢復、可再生的經濟與產業循環系統，其核心概念為減量、再使用、再循環，而廢棄物處理在此項核心概念上扮演重要的角色。歐盟提出的循環經濟行動計畫，以及聯合國推出的永續發展目標，均揭示循環經濟的重要性，所以本研究將使用資料包絡分析法的動態兩階段SBM回收模型，以歐洲29個國家作為研究對象，探討2010至2018年的循環經濟表現，其中第一階段為經濟發展階段、第二階段為廢棄物回收階段。
第一階段結果顯示，歐洲地區國家在經濟發展效率上普遍表現良好，其中有一半國家的經濟發展效率達成最佳；第二階段結果顯示，有過半國家的廢棄物回收效率達成最佳，另外有7個國家的廢棄物回收效率表現較差，說明這些國家在廢棄物回收與治理上的能力尚有改善空間。

Circular economy is an economic and industrial circulation system with recoverable and renewable resources. Its core concepts are reduction, reuse and recycling, and waste management plays an important role in this core concept. The circular economy action plan proposed by the European Union and the sustainable development goals launched by the United Nations reveal the importance of circular economy. Therefore, this study will use the dynamic two-stage SBM recycling model of DEA method, taking 29 European countries as the research object, to explore the circular economy performance from 2010 to 2018, in which the first stage is the economic development stage, and the second stage is the waste recycling stage.

The results of the first stage show that countries in the European region generally perform well in terms of economic development efficiency, with half of them achieving the best economic development efficiency. The results of the second stage show that more than half of the countries have achieved the best waste recycling efficiency, and another 7 countries have poor waste recycling efficiency, indicating that there is still room for improvement in the capacity of these countries in waste recycling and governance.

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