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   development of data envelopment analysis for the performance evaluation of green supply chain with undesirable outputs  
   
نویسنده amini amir ,alinezhad alireza ,salmanian sadegh
منبع international journal of supply and operations management - 2016 - دوره : 3 - شماره : 2 - صفحه:1267 -1283
چکیده    A fundamental problem is the use of dea in multistep or multilevel processes such as supply chain, lack of attention to processes’ internal communications in a way that the recent studies on dea in the context of serial processes have focused on closed systems that the outputs of one level become the inputs of the next level and none of the inputs enter the mediator process. the present study aimed to examine the general dimensions of an open multilevel process. here, some of the data such as inputs and outputs are supposed to leave the system while other outputs turn into the inputs of the next level. the new inputs can enter the next level as well. we expand this mode for network structures. the overall performance of such a structure is considered as a weighted average of sectors’ performance or distinct steps. therefore, this suggested model in this study, not only provides the possibility to evaluate the performance of the entire network, but creates the performance analysis for each of the sub-processes. on the other hand, considering the data with undesirable structure leads to more correct performance estimation. in the real world, all productive processes do not comprise desirable factors. therefore, presenting a structure that is capable of taking into account the undesirable structure is of crucial importance. in this study, a new model in the dea by network structure is offered that can analyze the performance considering undesirable factors.
کلیدواژه network data envelopment analysis ,green supply chain ,undesirable output
آدرس alghadir institute of higher education, ایران, islamic azad university, qazvin branch, faculty of industrial and mechanical engineering, ایران, islamic azad university, qazvin branch, faculty of industrial and mechanical engineering, ایران
 
     
   
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