Financial institutions are increasingly linked internationally. As a result, financial crises and government intervention have stronger effects beyond borders. We provide a model of international contagion allowing for bank bailouts. While a social planner trades off tax distortions, liquidation losses, and intra- and intercountry income inequality, in the noncooperative game between governments there are inefficiencies due to externalities, a lack of burden sharing, and free riding. We show that, in absence of cooperation, stronger interbank linkages make government interests diverge, whereas cross-border asset holdings tend to align them. We analyze different forms of cooperation and their effects on global and national welfare. (JEL C72, G01, G21, G28)
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