This paper documents changes in the cyclical behavior of nominal data series that appear after 1979:IIIQ, when the Federal Reserve implemented a policy to end the acceleration of inflation. Such changes were not apparent in real variables. A business cycle model with impulses to technology and a...

Using annual data for Colombia over the last thirty years and a new battery of econometric techniques, we test opposing theories that explain macroeconomic fluctuations: The neoclassical synthesis, which posits that, in the presence of temporary price rigidity, an unanticipated monetary...