Without a Lender of Last Resort for government debt, multiple equilibria in bond markets may ensue where default emerges for non-fundamental reasons. The stabilising power of central bank interventions does not build on a real debt depreciation via inflation, but on a swap of bonds and central...

The aim of our paper is to contribute to the debate on optimal fiscal rules in a monetary union: in terms of global budgetary deficit, of structural budgetary deficit, or of public debt. Indeed, these rules seem to be mixed in the framework of the European Economic and Monetary Union, with the...