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Vertical product differentiation when quality is unobservable to buyers : presented at CESifo Area Conference on Industrial Organisation, March 2003
Orosel, Gerhard O., (2004)
The strategic value of partial vertical integration
Fiocco, Raffaele, (2014)
Tainted food, low-quality products and trade
Viaene, Jean-Marie, (2010)
Die Grenzen der Unternehmung : Beiträge zur ökonomischen Theorie der Unternehmung
Wagner, Ralph, (1994)