Evaluating the water sector in Italy through a two stage method using the conditional robust nonparametric frontier and multivariate adaptive regression splines
2011 ◽
Vol 212
(3)
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pp. 583-595
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2005 ◽
Vol 28
(4)
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pp. 743-752
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2012 ◽
Vol 216
(1)
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pp. 162-171
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2007 ◽
Vol 37
(2)
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pp. 333-340
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2005 ◽
Vol 21
(7)
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pp. 689-699
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2008 ◽
Vol 53
(6)
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pp. 1165-1175
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