NBER

Felix Corell

Department of Economics
European University Institute

E-Mail: felix.corell@eui.eu
Institutional Affiliation: European University Institute

NBER Working Papers and Publications

May 2020Optimal Bailouts and the Doom Loop with a Financial Network
with Agostino Capponi, Joseph E. Stiglitz: w27074
Banks usually hold large amounts of domestic public debt which makes them vulnerable to their own sovereign’s default risk. At the same time, governments often resort to costly public bailouts when their domestic banking sector is in trouble. We investigate how the interbank network structure and the distribution of sovereign debt holdings jointly affect the optimal bailout policy in the presence of this "doom loop". Rescuing banks with high domestic sovereign exposure is optimal if these banks are sufficiently central in the network, even though that requires larger bailout expenditures than rescuing low-exposure banks. Our findings imply that highly central banks can use exposure to their own government as a strategic tool to increase the likelihood of being bailed out. Our model thus il...

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