We review the state of the sovereign debt literature and point out that the canonical model of sovereign debt cannot be easily reconciled with several facts about sovereign debt pricing and servicing. We identify and classify twenty puzzles. Some are well known and documented, others are less so...

This article discusses the links between climate and debt sustainability by focusing on how climate mitigation and adaptation are paid for, and who pays for it. This requires thinking about instruments such as sovereign bonds, carbon credits, conditional official grants and debt relief from both...