In this paper, I discuss the implications for emerging countries of the adoption of central bank digital currencies (CBDCs) in advanced jurisdictions, such as the United States, the United Kingdom, and the Euro Zone. The analysis identifies benefits as well as costs. Among the former, one of the...

"During the last few years there has been a renewed analysis in currency unions as a form of monetary arrangement. This new interest has been largely triggered by the Euro experience. Scholars and policy makers have asked about the optimal number of currencies in the world economy. They have...