Dark matter accounts for 83 percent of the matter in the universe and plays a central role in cosmology modeling. This paper argues that an analogous form of dark matter plays a similarly important role in international macroeconomics. Exchange-rate dark matter is invisible, but its existence...

This paper describes a new analytical framework for the quantitative assessment of international external positions. The framework links each country's current net foreign asset position to its current trade flows, forecasts of future trade flows, and expectations concerning future returns on...

This paper examines the persistent deterioration in the international external position of the U.S. over the past 60 years. I develop a model without Ponzi schemes and arbitrage opportunities that accounts for both the secular rise and the cyclical variations in the U.S. international debt...

Dark matter is believed to account for 83 percent of the matter in the universe and plays a central role in cosmology modeling. This paper argues that an analogous form of dark matter plays a similarly important role in international macroeconomics. Like its cosmological counterpart,...