Returns to scale in different DEA models

Author: Banker R.D.   Cooper W.W.   Seiford L.M.   Thrall R.M.   Zhu J.  

Publisher: Elsevier

ISSN: 0377-2217

Source: European Journal of Operational Research, Vol.154, Iss.2, 2004-04, pp. : 345-362

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Abstract