7、s.Soitcannotbeusedasthebasisforthetheory
analysis.Thustheviewsupportingtoestablisharelativelydecentralizedindustrial
organizationstructureinthebanksisuntenable.Onanotherhand,nowconcentrationis
prevalentinmanyindustries,inordertoexplainthefreshsituations,newtheoriesof
i