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Questions and Answers
What does the variable $\lambda$ represent in the context of DEA optimization problem?
What does the variable $\lambda$ represent in the context of DEA optimization problem?
- The technical efficiency ratio of DMU
- The simultaneous reduction rate of DMU's inputs/outputs
- The input excesses and output shortfalls (correct)
- The virtual output value of DMU
In the CCR envelopment form, what does the variable $s_{i,r}^-$ represent in the output-oriented analysis?
In the CCR envelopment form, what does the variable $s_{i,r}^-$ represent in the output-oriented analysis?
- Virtual input value of DMU
- Simultaneous reduction rate of DMU's outputs
- Difference between actual and ideal output (correct)
- Contribution of DMU to the virtual output value of another DMU
What is the purpose of using the two-step procedure to identify technical and mix inefficiencies in DEA optimization?
What is the purpose of using the two-step procedure to identify technical and mix inefficiencies in DEA optimization?
- To compute the slack variables efficiently
- To estimate the virtual input and output values of each DMU
- To assess the contribution of each DMU to the performance of other DMUs
- To separate the technical inefficiency from mix inefficiency (correct)
What information is not explicitly provided by the CCR formulations in envelopment form?
What information is not explicitly provided by the CCR formulations in envelopment form?
What do CCR models in multiplier form provide?
What do CCR models in multiplier form provide?
In DEA analysis, what do the duals of multiplier formulations help us understand?
In DEA analysis, what do the duals of multiplier formulations help us understand?
What is the purpose of the BCC model in envelopment form?
What is the purpose of the BCC model in envelopment form?
How can CCR and BCC radial models be extended to perform non-oriented analyses?
How can CCR and BCC radial models be extended to perform non-oriented analyses?
In the Charnes & Cooper Transformation, what does the variable '𝑢' represent?
In the Charnes & Cooper Transformation, what does the variable '𝑢' represent?
What is the objective of the Input-oriented Analysis in the CCR Models?
What is the objective of the Input-oriented Analysis in the CCR Models?
According to Charnes, Cooper, and Rhodes (1978), what can be learned from the duals of the multiplier formulations?
According to Charnes, Cooper, and Rhodes (1978), what can be learned from the duals of the multiplier formulations?
What is the significance of the weights 𝑣 and 𝑢 in the CCR multiplier formulations?
What is the significance of the weights 𝑣 and 𝑢 in the CCR multiplier formulations?
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