Volume 4, Issue 1
مرور بر اساس
ارسال های اخیر
-
Estimating the Efficient Portfolio in Non-Radial DEA and DEA-R Models
(Tehran, Islamic Azad university. Science and Research Unit of Tehran, 2016-01-01)The portfolio is a perfect combination of stock or assets, which an investor buys them. The objective of the portfolio is to divide the investment risk among several shares. Using non-parametric DEA and DEA-R methods can ...
-
Satisfaction Function in Present Undesirable Factors
(Tehran, Islamic Azad university. Science and Research Unit of Tehran, 2016-01-01)Data Envelopment Analysis (DEA) is an efficient method to perform evaluation of units. In DEA we try to evaluate units with undesirable factors in input & outputs by satisfaction function, testing some models. On the other ...
-
Calculation of the Efficiency of Two-Stage Network Structures with Additional Inputs to the Second Stage by SBM Approach: A Case Study on Credit Branches of an Iranian State Bank in Guilan Province
(Tehran, Islamic Azad university. Science and Research Unit of Tehran, 2016-01-01)Many studies have been conducted to determine the efficiency of two-stage network structures in the recent years. The two-stage network with additional inputs to the second stage, in which the second stage is independent ...
-
An Additive Model for Estimation Return to Scale in Regulated Environment with Quasi-Fixed Inputs in Data Envelopment Analysis (DEA)
(Tehran, Islamic Azad university. Science and Research Unit of Tehran, 2016-01-01)The measurement of RTS amounts measures a relationship between inputs and outputs in a production structure. There are many different ways to calculate RTS in primal or dual space. But in more realistic cases, governments ...
