Bank Resolution and Public Backstop in An Asymmetric Banking Union
68 Pages Posted: 6 Aug 2019
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Bank Resolution and Public Backstop in an Asymmetric Banking Union
Date Written: March 18, 2019
Abstract
This paper characterizes the optimal banking union with endogenous participation in a two-country economy in which domestic bank failures may be contemporaneous to sovereign crises, giving rise to risk-sharing motives to mutualize bail-out funding. Raising public funds to conduct bail-outs entails a deadweight loss. Bank bail-ins create disruption costs. The optimal resolution trades-off these costs. Truthfully eliciting information from domestic authorities imposes a domestic co-payment to fund bail-outs. When country asymmetry is large, ensuring the ex-ante participation of the fiscally stronger country requires a reduced contribution by this country, which increases the likelihood of bailing out its failing bank.
Keywords: banking union, bail-in, bail-out, public backstop, mechanism design
JEL Classification: G01, G21, G28
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