The Two-Tier Stochastic Frontier Framework (2TSF): Measuring Frontiers Wherever They May Exist
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2020 ◽
Vol 15
(2)
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pp. 55-68
2017 ◽
Vol 25
(3)
◽
pp. 221-256
2015 ◽
Vol 10
(1)
◽
pp. 127-156
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