... of **function** and specific input and output prices, so it has been widely used in the current ...nonparametric **directional** **distance** **function** based on DEA first to study environmental performance ...

12

... a **directional** **distance** **function** (Cheng and Zervopoulos, 2014) in a methodological framework which allows the co-examination of (i) efficiency differences in terms of productive performance for ...

39

... the **directional** **distance** **function** approach as in Chung et ...the **directional** **distance** **function** setting we use a direction vector g = ( g y , − g u ) , where g y = 1 and − g u = − ...

12

... conditional **directional** **distance** **function** approach and the property of weak disposability our paper modifies the original model by Färe and Grosskopf (2004) in order to account for exogenous ...

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... In the mathematical formulations of the proposed generalized **directional** **distance** **function** measure we assume strong disposability of inputs, and of good and bad outputs. However, the linear ...

22

... Efficiency Value Results and Resource Misallocation Measurement Before application of the hybrid DEA model, the directional distance function 𝑔 � � 𝑔𝑥 , 𝑔𝑦 � must be preset, which repres[r] ...

8

... the **directional** **distance** **function** to develop the Malmquist- Luenberger productivity index, the Malmquist-Luenberger productivity index has been widely used in various studies at different levels from ...

24

... technology-oriented **directional** **distance** **function** and a set of first-order conditions from the dual cost-minimization and profit-maximization ...our **directional** **distance** **function** ...

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... analysis. It has the capacity of dealing with undesirable outputs, but the problem is that it has no unit-invariant measurement of efficiency, which hampers its application to empirical studies. Data normalization for ...

11

... minimum **distance** to the Pareto-efficient frontier in DEA, Journal of Productivity Analysis 28 (2006) 209 – 218], to determine the closest Pareto-efficient targets for a given inefficient decision making unit ...

9

... In this paper we try to pull together some of the variants that have arisen over these decades and show when they are equivalent. The specific cases we take up include: 1) the original Debreu-Farrell measure versus the ...

22

... with **directional** **distance** **function** as well as ranking ranges proposed by Alcaraz et ...the **directional** **distance** functions are also depicted graphically in ...

8

... a **directional** **distance** **function** formulation of DEA using by malmquist index to assess the ...The **directional** **distance** **function** measures the efficiencies of DMUs, which measures ...

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... Directional Distance Function and the Shadow Pricing of Electric Power Interruptions.. 81.[r] ...

16

... The **directional** **distance** **function** and a positive number, as an improved vector coefficient, are used in this paper when the risk covariance (input) and the average return (output) are ...

12

... the **directional** vector of UDDF’s has been pre- multiplied by the (non-identity) commensuration matrices, the DDF is no longer a ...use **directional** **distance** **function** with a ‘commensurated’ ...

17

... This paper applies a data envelopment analysis (DEA) method to assess technical efficiency of both private and public universities in Italy. Moving from the traditional context where inputs and outputs are assumed to be ...

22

... In conventional DEA models, inputs and outputs are assumed to be non-negative while negative data may occur in some DEA application such as the performance analysis of socially responsible and mutual funds; and the ...

21

... Different **distance** metrics produce **distance** matrices with different characteristics, upon which the performance of a heuristic ...the **distance** matrix has a minor impact on performance, but failure to ...

135

... We present a new method to obtain the Euler number of a domain based on the tangent counts of concentric spheres in R 3 (or circles in R 2 ), with respect to the center O, that sweeps the domain. This method is derived ...

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