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...

In this paper I analyze the London Monetary and Economic Conference of 1933, an almost forgotten episode in U.S. monetary history. I study how the Conference shaped dollar policy during the second half of 1933 and early 1934. I use daily data to investigate the way in which the Conference and...

In this paper we analyze whether common currency' countries that is, dollarized and independent currency union countries have outperformed countries that have a currency of their own. The paper is empirical and estimates jointly the probability of being a common currency country and outcome'...

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...