00393nam a2200145   45000010005000000030003000050050017000080080041000250350018000660350017000840500025001011000022001262450079001482600020002278621UR20220428113601.0061102|||||||||||||||||||||||||||||||| d  a(janium) 8610  a(janium)8610 4aHD2757.3b.K835 19921 aKuenne, Robert E.10aEconomics of oligopolistic competition, theb : price and nonprice rivalry  bBlackwellc1992