There is growing interest in identifying the drivers of and barriers to green purchasing, and many publications focus on motivational factors. However, the effects of these factors on the activities and means applied to sustainable purchasing are seldom investigated. This paper addresses this...

Ranking suppliers performance is one of the central issues of supplier management. In supplier selection, most quantitative analysis assumes that any two suppliers are comparable on any criteria. This assumption is then used to rank the suppliers. In practice, however, suppliers are not always...