Global growth has slowed down recently. While the world economy should gradually regain pace over the coming quarters, overall growth momentum is expected to remain subdued. The recent drop in oil prices has not improved the outlook as it to a substantial degree signals weaker demand;...

In this paper an Unobserved Components Model is employed to decompose U.S. real GDP into trend and cycle components. The main findings are that there exist three cycles with a period of about two, five and 13 years, respectively, and that the long-run development during the last 50 years can be...