This paper develops a model of sovereign debt where governments are myopic. Instead of focusing on the incentives to repay, as in most of the theoretical literature on the topic (which assumes implicitly that governments have long-term objectives), I therefore consider that governments always...

The classical Bagehotu0092s conception of a Lender of Last Resort (LOLR) that lends to illiquid banks has been criticized on two grounds: on the one hand, the distinction between insolvency and illiquidity is not clear cut; on the other a fully collateralized repo market allows Central Banks to...

We build a model of credit card pricing that explicitly takes into account credit functionality. We show that a monopoly card network always selects an interchange fee that exceeds the level that maximizes consumer surplus. If regulators only care about consumer surplus, a conservative...