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Methoden zur Schätzung von Preis-Absatz-Funktionen
Steiner, Winfried J., (2010)
How customer satisfaction with respect to price and quality affects customer retention : an integrated approach considering nonlinear effects
Steiner, Winfried J., (2014)
Ă–konometrische Modellbildung
Steiner, Winfried J., (2009)