//-->
Editing and multiply imputing German establishment panel data to estimate stochastic production frontier models
Kölling, Arnd, (2004)
A simple graphical method to explore tail-dependence in stock-return pairs
Abberger, Klaus, (2004)
Multiple Imputation von fehlenden Werten mit Daten über Unterernährung und Kindersterblichkeit
Gartner, Hermann, (2003)
A critique of models in linear aggregation structures
Ringwald, Karl, (1980)
Consistent aggregation; models with varying coefficients
Ringwald, Karl, (1982)
Variablenfehler und Spezifikationsfehler in -hierarchischen Modellen - Errors in the variables and specification errors in hierarchical models
Ringwald, Karl, (1981)