We argue that the U.S.-led global recession revealed a change in the nature of the U.S. economic influence over the world, evidenced by the unusual delay between the U.S. downturn and its full manifestation in other economies. To validate our argument we conduct a real-time analysis of the...

We look at how well several alternative Taylor-rule specifications describe Federal Reserve policy decisions in real time, using the newly developed Giacomini and Rossi (2007) test for non-nested model selection in the presence of (possible) parameter instability. Further, we isolate those...