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Stability of RTS of efficient DMUs in DEA with fuzzy u_0 under fuzzy data
Data Envelopment Analysis Fuzzy mathematical programming
2010/9/15
An important property of production functions is the concept return to scale (RTS) as found in the literature. There are two common variations RTS in data envelopment analysis (DEA) used, constant ret...
One of the interesting topics in data envelopment analysis is the sensitivity analysis of the decision making units, under evaluation. In this paper we present a new method for sensitivity analysis of...
In this paper we investigate problems of consensus-making among individuals or organizations with multiple criteria for evaluating performance when the players are supposed to be egoistic and the scor...
Efficiency and effectiveness in multi-activity network DEA model with fuzzy data
Data envelopment analysis Multi-activity network
2010/9/17
In this paper, at first we introduce a multi-activity network DEA with fuzzy inputs and outputs (MNFDEA) then we make production possibility set with defined constrains. Objective function of this mul...
Cost efficiency measurement with certain price on fuzzy data and application in insurance organization
Data envelopment analysis (DEA) Cost Efficiency
2010/9/10
In this paper, a new approach for obtaining cost efficiency measurmentwith data set of fuzzy numbers are considered. These consistof situations where prices are fixed and known exactly at each decisio...
Euclidean ranking DMUs with fuzzy data in DEA
Data Envelopment Analysis Efficiency Ranking
2010/9/16
If the inputs and outputs are fuzzy numbers, the DMUs cannot be easily evaluated and ranked using the obtained efficiency scores. In this paper, a new idea based on interactive method for ranking of D...
A new method for complex decision making based on TOPSIS for complex decision making problems with fuzzy data
TOPSIS Fuzzy number Ranking Fuzzy distance
2010/9/16
The aim of this paper is to extend the TOPSIS method for decisionmaking problems with Fuzzy data. By this extension of TOPSIS method,an algorithm for determining the most preferable choice among all p...
Finding the minimize summation for location of facility in a convex set with fuzzy data
Facilities location Norm Linear Programming
2010/9/15
In this paper we first show a model using L1-Norm for locating a facility in a convex set and then we use it for fuzzy data in linear programming problems and especial case of integer linear programmi...
Using a certain linear ranking function to measure the Malmquist productivity index with fuzzy data and application in insurance organization
Data envelopment analysis (DEA) Efficiency
2010/9/15
Data envelopment analysis is a widely applied approach for measuring the relative efficiency of a set of decision making units (DMUs) which use multiple inputs and multiple outputs. The DEA- based mal...