... http :// ssrn.com/abstract_id=1573675.Information on all of the papers published in the ECB Working Paper Series can be found on the ECB’s website, http :// www.ecb.europa.eu/pub/scientic/wps/date/html/index.en.htmlMacroprudential ... AcknowledgementsThis paper hasparticularlybenetedfrom the feedbackofGabrieleGalati,SwedervanWijnbergen,LucLaeven,EnricoPerottiandNicolaViegi.WewouldalsoliketothankStevenOngena,ClaudioBorio,RefetGurkaynak,MarkusBrunnermeier,MarvinGood-friend,JohnWilliams,ViralAcharya,EsterFaia,XavierFreixas,LindaGoldberg,LexHoogduin,DavidMiles,LarsSvensson,KasperRoszbach,HansDegryse,WolfWagner,AndrewHughesHallett,NeeltjevanHoren,VincentSterk,JohnLewis,AndrewFilardo,DamLammertjan,JoseBerrospideandOlivierPierrardfordiscussions,andaudiencesat the IMF, the BIS, the ECB, the FedBoard, the BostonFed, the BankofEngland, the BankofJapan(IMES), the BankofKorea, the HongKongMonetaryAuthority / BISOfceHK, DNB, the 2010 ... restrict the leverage of at least some of the banks of which the regulator receives the signal that they are funding good firms. The reason that this cannot beproven relates to the fact that there...