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Abstract: According to a majority of static evaluation and without common significance problems of regional environmental performance evaluation, evaluation indicator system of regional environmental performance is established in view of evaluation indicator system design principle, which is composed of environmental investment, operational performance, environmental condition and environmental profit. A dynamical model on regional environmental performance evaluation is put forward in this paper, which is combined with the basic idea of DEA and fuzzy integral assessment method. In order to provide the reasonable basis for local government to take corresponding measures to improve their environmental performance level, we carry through empirical analysis about regional environmental performance of 8 typical western regions in china and draw conclusion. [Copyright &y& Elsevier]

Abstract: It is difficult to evaluate the performance of the different companies feasibly and fairly only depending on experts. An evaluation model based on TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) is built to solve this problem. In this model, the method of data processing and the evaluation algorithms are analyzed detailed. By means of the evaluation model, eight electric power supply bureau of Chongqing are evaluated in this paper, and the results show feasibly and reasonably. [Copyright &y& Elsevier]