In 1500, Europe was composed of hundreds of statelets and principalities, with weak central authority, no monopoly over the legitimate use of violence, and multiple, overlapping levels of jurisdiction. By 1800, Europe had consolidated into a handful of powerful, centralized nation states. We...

We present a model of sovereign debt in which, contrary to conventional wisdom, government defaults are costly because they destroy the balance sheets of domestic banks. In our model, better financial institutions allow banks to be more leveraged, thereby making them more vulnerable to sovereign...

We build a model where sovereign defaults weaken banks’ balance sheets because banks hold sovereign bonds, causing private credit to decline. Stronger financial institutions boost default costs by amplifying these balance-sheet effects. This yields a novel complementarity between public debt...