The Effect of Unobserved Heterogeneity in Stochastic Frontier Estimation: Comparison of Cross Section and Panel with Simulated Data for the Postal Sector

In this paper, we examine the application of SFA method with time-invariant inefficiency and assess its estimation of inefficiency when applied to cross section and panel data. By using simulation methods, we look at the effect of unobserved heterogeneity on the estimates of inefficiency in both cro...

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Veröffentlicht in:	The review of network economics 2011-09, Vol.10 (3)
Hauptverfasser:	Cazals, Catherine, Dudley, Paul, Florens, Jean-Pierre, Jones, Michael
Format:	Artikel
Sprache:	eng
Schlagworte:	cross section and panel data Cross sections Economics Estimates Heterogeneity Networks Panels SFA Simulation Stochasticity unobserved heterogeneity
Online-Zugang:	Volltext
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