introduction small and medium-sized enterprises (smes) bring a broad range of benefits beyond growth of national income, providing important opportunities for employment, and are a key source of an outlet for entrepreneurial creativity and ideas. however, it is estimated that smes are responsible around 60 percent of carbon dioxide emissions and 70 percent of all pollution globally. therefore, ...

iranian industries are increasingly concerned with sustainable development by controlling their impacts on environment. iranian automotive industries have began conducting environmental management within a structured management system based on iso 14001 international standard since 1997. iran khodro co. (ikco), the largest iranian automotive manufacturer, implemented ems entire the company in 2...

Data Envelopment Analysis (DEA) has been long employed as a popular methodology to evaluate the performance of various production activities with multiple inputs and outputs. However, an important issue is that the production process in the real world inevitably generates undesirable outputs (like wastes and pollutants) along with desirable outputs. Therefore, the undesirable outputs should be ...