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Editing and multiply imputing German establishment panel data to estimate stochastic production frontier models
Kölling, Arnd, (2004)
Statistische Explorationen im Vorfeld der Eingliederungsbilanz : Monitoring der Verbleibsquote (Statistical explorations in the run-up to the employment status : monitoring the destination rate)
Blaschke, Dieter, (2003)
A critique of models in linear aggregation structures
Ringwald, Karl, (1980)
Consistent aggregation; models with varying coefficients
Ringwald, Karl, (1982)