This article surveys the literature on sovereign debt sustainability from its origins in the mid-1980s to the present, focusing on four debates. First, the shift from an "accounting based" view of debt sustainability, evaluated using government borrowing rates, to a "model based" view which uses...

This paper studies the emergence of sovereign bond yield spreads in the Eurozone prior to the financial crisis. While spreads were close to zero in European government debt markets until the mid-2000s, they have persistently widened since then in many member states. We employ a...

In studies concluding that public debt may hamper GDP, the debt tipping effects are estimated as if there were a single world currency. This means that such studies ignore the likely biggest cause of changes in growth rates, namely damage from exchange rate liquidity shocks because we do not...

The euro area suffers from excessive public debt, which is the primary cause of the so-called fragmentation. It should be remedied by fiscal consolidation instead of the quasi-fiscal activities of the European Central Bank, which are inconsistent with its legal status, compromise its...

In studies concluding that public debt may hamper GDP growth, the debt tipping effects are estimated as if there were a single global currency. This means that such studies ignore the likely biggest cause of changes in growth rates, namely damage from exchange rate liquidity shocks because we do...

We investigate what happens when the fiscal authorities do not react to rising public debt so that the unpleasant task of fiscal sustainability falls upon the Central Bank (CB). In particular, we explore whether the CB's bond purchases in the secondary market can restore stability and...