Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Abstract Using proprietary data on banks' monthly securities holdings, we find that during the European sovereign debt crisis, domestic banks in fiscally stressed countries were considerably more likely than foreign banks to increase their holdings of domestic sovereign bonds in months with relatively high domestic sovereign bond issuance. This effect is stronger for state-owned banks and for banks with low initial holdings of domestic sovereign bonds, and it is not fuelled by Central Bank liquidity provision. Our results point to a "moral suasion" mechanism, and cannot be explained by concurrent risk-shifting, carry-trading, regulatory compliance, or shocks to investment opportunities.
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Non-technical summaryBanks' rapidly increasing balance sheet exposures to domestic sovereign debt during the euro area sovereign debt crisis led both academics and policy makers to speculate that this development was at least partly the result of domestic sovereigns putting pressure on some banks to extend material support to the government, a mechanism known as "moral suasion".However, despite speculations about the prevalence of this mechanism running rife, comprehensive and direct empirical evidence unequivocally showing that banks have acted at the government's request is missing. In this paper employ a novel identification strategy to tease out if and when governments sway banks to increase their holdings of domestic sovereign bonds over and above their needs.Our identification strategy rests on three facts. First, the main determinant of newly issued sovereign debt is the amount of maturing sovereign debt which the government needs to roll over. Second, the amount of retiring government debt is pre-determined, because it is the outcome of choices typically made years ago by previous governments. As a result, the government's need today to refinance maturing debt fluctuates wildly month-on-month. Third, domestic banks are more likely to be "morally swayed" than foreign banks, through explicit and implicit threats to those banks that decide not to cooperate.Employing a unique proprietary dataset which contains detailed end-of-month information on net flows and holdings of domestic sovereign debt securities for a large sample of domestic and foreign banks active in stressed euro zone countries, we assess the differences in net purchases of domestic sovereign debt between high-need and low-need months, for domestic banks relative ...