"This paper summarizes recent developments in the theory and practice of monetary policy in a closed economy and explains what these developments mean for U.S. dollar policy. There is no conflict between what is appropriate U.S. monetary policy at home or abroad because the dollar is the world's...

"Most intervention studies have been silent on the assumed structure of the economic system--implicitly imposing implausible assumptions--despite the fact that inference depends crucially on such issues. This paper proposes to identify the cross-effects of intervention with the level and...

We investigate the role of jumps in transmitting volatility between foreign exchange markets (Engle, Ito, and Lin, 1990; Melvin and Peiers Melvin, 2003; Cai, Howorka, and Wongswan, 2008). We show that recently developed estimators have very different implications for the impact of jumps on exchange rate...

It is a robust finding that technical trading rules applied to foreign exchange markets have earned substantial excess returns over long periods of time. However, the approach to risk adjustment has typically been rather cursory, and has tended to focus on the CAPM. We examine the returns to a...

"The paper documents a new empirical result that a high level of aggregate U.S. idiosyncratic stock return volatility is usually associated with a future appreciation in U.S. dollars. The relation is highly significant for most foreign currencies. For example, idiosyncratic volatility accounts...