01068nam0-22003131i-450-99000385646040332120080116123339.0000385646FED01000385646(Aleph)000385646FED0100038564620030910d--------km-y0itay50------baitaITConcentration and price-cost margins in manufacturing industriesNorman R. Collins and Lee E. Preston.BerkeleyLos AngelesUniversity of California Press1968.xvi, 163 p.ill.22 cmPublications of the Institute of Business and Economic Research, University of CaliforniaImpreseConcentrazioneH/2.111Collins,Norman R.79004Preston,Lee E.<1930- >105824ITUNINARICAUNIMARCBK990003856460403321H/2.111 COL041029SESSESConcentration and price-cost margins in manufacturing industries514966UNINA