In this article, we provide an overview of the key mechanisms by which sectoral disturbances affect aggregate economic activity. We describe how the distribution of sectoral shares influences each sector's contribution to the variation in aggregate output. We also illustrate different aspects of...

In this article, we examine the extent to which U.S. per capita gross domestic product (GDP) growth has been uncharacteristically slow in the recovery from the 2007--09 recession and investigate whether this tepid growth might be a short- or longer-term phenomenon. We first examine several...

In this article, we provide an overview of the key mechanisms by which sectoral disturbances affect aggregate economic activity. We describe how the distribution of sectoral shares influences each sector's contribution to the variation in aggregate output. We also illustrate different aspects of...

This article uses principal component methods to assess the importance of changes in the federal funds rate in driving interest rate changes across a broad array of credit markets. We find that most of the variability in interest rate changes across these markets is explained by a small number...