We study the welfare implications of market power in a model where banks choose between credit rationing and monitoring in order to alleviate an underlying moral-hazard problem. We show that the effect of banks’ market power on social welfare is the result of two countervailing effects. On the...

Is sovereign debt so different from corporate debt that there is no need for bankruptcy procedures to handle potential defaults? The basic tools of finance seem to confirm that, without water-tight sovereign immunity, creditors face a Prisoner’s Dilemma: litiginous creditors may be tempted to...

We analyse the impact of market structure on the probability of banking failure when banks’ loan portfolios are subject to aggregate uncertainty. In our model borrowers are subject to a moral hazard problem, which induces banks to choose between two second-best alternative devices: costly...