00825nam0-22002531i-450-990003146990403321000314699FED01000314699(Aleph)000314699FED0100031469920000920d--------km-y0itay50------baitaITOn the Dichotomy Between Horizontal and Vertical Product DifferentiationLuca LambertiniCollana rapporti scientificiDipartimento di scienze economiche, Università degli studi di Bologna164Lambertini,Luca<1964- >ITUNINARICAUNIMARCBK990003146990403321PaperSESSESOn the Dichotomy Between Horizontal and Vertical Product Differentiation456151UNINAING01