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Determinants of productivity and efficiency of wheat production in Kazakhstan : a stochastic frontier approach
Tleubayev, Alisher, (2017)
Russia's agriculture : eight years in transition - convergence or divergence of regional efficiency
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Russia's agriculture: eight years in transition - convergence or divergence of regional efficiency
Input efficiency measures : a generalized, encompassing formulation
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Portfolio Performance Gauging in Discrete Time Using a Luenberger Productivity Indicator
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