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Estimation of cost inefficiency in panel data models with firm specific and sub-company specific effects
Smith, Andrew, (2012)
Understanding prediction intervals for firm specific inefficiency scores from parametric stochastic frontier models
Wheat, Phill, (2014)
Is the choice of (t−T) in Battese and Coelli (1992) type stochastic frontier models innocuous? Observations and generalisations
Wheat, Phill, (2012)