01431nam 2200397 a 450 991069907540332120090811162455.0(CKB)5470000002399129(OCoLC)430078756(EXLCZ)99547000000239912920090811d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEnergy markets[electronic resource] estimates of the effects of mergers and market concentration on wholesale gasoline prices : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (iii, 64 pages) illustrations, mapsTitle from title screen (GAO, viewed July 22, 2009)."June 2009.""GAO-09-659."Includes bibliographical references.Energy markets Petroleum industry and tradeUnited StatesConsolidation and merger of corporationsEconomic aspectsGasolinePricesUnited StatesPetroleum industry and tradeConsolidation and merger of corporationsEconomic aspects.GasolinePricesGPOGPOBOOK9910699075403321Energy markets2877877UNINA