... model that deals with supplier ranking by super‐efficiency analysis in the presence of volume discount offers. Supplier evaluation Data analysis Discounts Benchmarking Reza Farzipoor Saen can be contacted at: farzipour@yahoo.com © Emerald Group Publishing Limited 2008 Ohdar...

... countries such as India and East European countries. © Emerald Group Publishing Limited 2008 Distribution management Data analysis Emerging markets China A complete DEA analysis focusing on output maximization with constant returns to scale was conducted by applying a linear program...

..., be freely disposed. The assumption of weak disposability models the idea that there is a cost to reducing undesirable outputs. Null‐jointness implies that if no undesirable outputs are produced, no desirable outputs can be produced. © Emerald Group Publishing Limited 2004 Data analysis Traffic...