This paper provides robust evidence that news shocks about future investment-specific technology (IST) constitute a signicant force behind U.S. business cycles. Extending a recent empirical approach to identifying news shocks, we find that positive IST news shocks induce comovement, i.e., raise...

We pursue a novel empirical strategy to identify monetary news shocks and determine their effects on the US economy during the Greenspan-Bernanke era of Federal Reserve Chairmanship. We first construct a monetary policy residual as gap between the observed federal funds rate and a policy rule....