Bergh, R.J. van den

competition consumer market regulation state european quality information level enforcement problem cancer prostate service seller sanction member warranty damage economic interest product action price liability member states effect directive policy benefit number paper harmonisation screening buyer contract measure analysis example safety profession incentive externalitie conformity remedy preference insurance party biopsy group prostate cancer study journal right transaction court argument system screening round tort law choice legislator actor scope behaviour claim section principle protection bene fits value decision restriction performance government price reduction period association bergh victim