科研之友
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摘要
Member enterprises have a vital effect on the stability and system efficiency of an eco-industrial park (EIP), and a selection and control for them is an important part. This paper proposes a new method which is an establishment of both an access indicator system and an extendable optimal degree evaluation model. The indicator system comprises seven primary indicators and twenty-seven secondary indicators. The first three primary indicators, matching the existing industrial chains or not, park capacity and park environmental performance improvement, are proposed from the perspective of an EIP. The others including eco-design, economic benefit, utilization of resources, and pollution control, are suggested from the point of view of enterprises. This new access indicator system provides a basis for evaluating candidate enterprises. The extendable optimal degree evaluation which was proposed by Prof. Caiwen is a method to assess the satisfactoriness of all the indicators and to assign an optimal degree order to each candidate enterprise accordingly. There are four steps to conduct the evaluation after establishing the access indicator system: (1) selecting correlation function; (2) calculating correlations; (3) assigning weights and current values of indicators; and (4) calculating the optimal degree of all the candidate enterprises. The enterprises can be ranked based on optimal degree results. The highest-ranked enterprise should have the highest priority of entering the EIP. This study provides the specifics of applying the method by examining the case of Yantai Economy Technology Development Zone EIP (YTEIP) in Shandong province. The method provides a practical tool for controling enterprise access to an EIP. However, the reasonability and validity of indicators and effectiveness of the established method of extendable optimal degree evaluation merit further studies.
