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Delivery Offices Cost Frontier: a Robust Non Parametric Approach with Exogenous Variables
Cazals, Catherine, (2006)
A Panel Data Analysis of Inefficiency and Heterogeneity in the Postal Sector
Cazals, Catherine,
The Effect of Unobserved Heterogeneity in Stochastic Frontier Estimation: Comparison of Cross Section and Panel with Simulated Data for The Postal Sector
Cazals, Catherine, (2010)