00533nam a22001937i 4500 3667 OSt 20170126082321.0 tu 161220s1994 xxu||||| |||| 00| 0 d 3666 RID OSt Aiginger, Karl Product Quality, Cost Asymetry and the Welfare Loss of Oligopoly Wien : Österreichisches Institut für Wirtschaftsforschung (WIFO), 1994. 27 S. ; 30cm. WIFO Working Papers 94 Pfaffermayr, Michael B 3612 3612 0 0 0 0 BIB BIB 1 1997-11-03 3667 0 II-6.078/94 303665 2017-01-26 00:00:00 2017-01-26 B