We propose a model of asset encumbrance by banks subject to rollover risk and study the consequences for fragility, funding costs, and prudential regulation. A bank's choice of encumbrance trades off the benefit of expanding profitable investment funded by cheap long-term secured debt against...

In the aftermath of the Great Financial Crisis, regulators have rushed to strengthen banking supervision and implement bank resolution regimes. While such resolution regimes are welcome to reintroduce market discipline and reduce the reliance on taxpayer-funded bailouts, the effects on the wider...

We build a moral hazard model to study incentives of financial intermediaries (shortly, bankers) facing a leverage-insurance trade-off in their investment choice. We demonstrate that the choice is affected by two recent transformations of the financial ecosystem bankers inhabit: (i) the rise of...

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 the funding of bail-outs. Raising public funds to conduct a...

Recent policy discussion includes the introduction of diversification requirements for sovereign bond portfolios of European banks. In this paper, we evaluate the possible effects of these constraints on risk and diversification in the sovereign bond portfolios of the major European banks....