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2017
Sensitivity of directional technical inefficiency measures to the choice of the direction vector: a simulation study
Macedo, Pedro
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Silva, Elvira
article
2017
Ridge regression and generalized maximum entropy: an improved version of the Ridge-GME parameter estimator
Macedo, Pedro
article
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Silva, Elvira
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Directional distance functions
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Efficiency analysis
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Generalized maximum entropy
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Productivity
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Ridge regression
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Shrinkage estimation