Estimating ‎U‎pper and Lower Bounds For Industry Efficiency With Unknown ‎Technology‎

Subject Areas : International Journal of Industrial Mathematics

R.  Kazemi Matin ¹ (Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.)
R.  Azizi ² (Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.)
N.  Pasban ³ (Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.)
M.  Mirjaberi ⁴ (Department of Mathematics, Faculty of Basic Sciences, Islamic Azad University, Esfahan Branch, Esfahan, Iran.)

Received: 2017-03-14 Accepted : 2018-05-18 Published : 2018-08-01

Keywords: