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...

The global recession caused by the COVID-19 pandemic and the resulting deterioration in many countries’ public finances have increased the risk of sovereign debt crises. Although crisis prevention remains paramount, these developments have made it imperative to re-examine the adequacy of the...