Tiny changes in the American monetary policy can have dramatic effects on the rest of the world because of dollar's double role of national and international currency. This is the Triffin dilemma. The paper shows how it works through three examples: price of commodities, dollarization, and the...

The paper presents the first major update of the international "USD 1 a day" poverty line, first proposed in 1990 for measuring absolute poverty by the standards of the world's poorest countries. In a new data set of national poverty lines we find that a marked economic gradient only emerges...

Although the worldwide growth in dollarization of bank deposits has recently slowed, it has already reached very high levels in dozens of countries. Building on earlier findings that allowed the main cross-country variations in the share of dollars to be explained in terms of national policies...