While macroeconometricians continue to dispute the size, timing, and even the existence of effects of monetary policy, political economists often find large effects of political variables and often attribute the effects to manipulation of the Fed. Since the political econometricians often use...

Textbook approaches to forming asymptotically justified confidence intervals for the spectrum under very general assumptions were developed by the mid-1970s. This paper shows that under the textbook assumptions, the true confidence level for these intervals does not converge to the asymptotic...

This paper investigates breaks in the variability and co-movement of output, consumption, and investment in the G-7 economies. In contrast with most other papers on co-movement, we test for changes in co-movement allowing for breaks in mean and variance. Despite claims that rising integration...

Many recent papers have identified behavioral disturbances in vector autoregressions by imposing restrictions on the long-run effects of shocks. The paper demonstrates that this approach will be unreliable unless the underlying economy satisfies three types of strong restrictions. While many...

Many recent papers have studied movements in stock, bond, and currency prices over short windows of time around macro announcements. This paper adds to the announcement effects literature in two ways. First, we study the joint announcement effects across a broad range of assets - exchange rates...

This working paper comments on Monika Piazzesi and Martin Schneider's "Bond Positions, Expectations, and the Yield Curve," delivered at the Fiscal Policy and Monetary/Fiscal Policy Interactions conference held at the Atlanta Fed on April 19-20, 2007