We use a quantitative equilibrium model with houses, collateralized debt and foreign borrowing to study the impact of global imbalances on the U.S. economy in the 2000s. Our results suggest that the dynamics of foreign capital flows account for between one fourth and one third of the increase in...

"This paper studies the changing characteristics of post-war international comovement under fixed and flexible exchange regimes. I find that business cycle comovement among all the G7 economies was highest in the universally flexible exchange rate era following the collapse of Bretton Woods (BW)...

"We investigate the information content of inter- transaction time and find that it varies both across stocks and over time. On average, inter-transaction time is found to be informative whenever stocks are sufficiently traded. The magnitude of the information content is found to be larger for...