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...

Revisions to GDP announcements are known to be quite large in all G-7 countries: many revisions in quarterly GDP growth are over a full percentage point at an annualized rate. In this paper, we examine the predictability of these data revisions. Previous work suggests that U.S. GDP revisions are...