Estimating ‎U‎pper and Lower Bounds For Industry Efficiency With Unknown ‎Technology‎

Subject Areas : International Journal of Industrial Mathematics

R. Kazemi Matin ¹ , R. Azizi ² , N. Pasban ³ , M. Mirjaberi ⁴

1 - Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.
2 - Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.
3 - Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran.
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

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