The 2015 Addis Ababa Action Agenda recognized the need for policies aimed at maintaining longterm debt sustainability. This paper describes a set of commonly used definitions of debt sustainability and shows that none of them focuses on long-term debt sustainability. It then discusses concept...

Creditor countries and international organizations continue to disagree whether Greece should receive additional official debt relief, and if so how much. This paper first shows that these disagreements can be attributed to competing assumptions about Greece's future capacity to repay,...

This paper evaluates empirically four types of cost that may result from an international sovereign default: reputational costs, international trade exclusion costs, costs to the domestic economy through the financial system, and political costs to the authorities. It finds that the economic...