There is substantial research effort devoted to identifying a sufficient statistic for monetary policy. The purpose of this paper is to broaden the scope of the on-going investigation along three dimensions. First, we follow up the Rudebusch-Svensson claim of parameter instability in the output...

A recent line of research demonstrates that cognitive skills - intelligence quotient scores, math skills, and the like - have only a modest influence on individual wages, but are strongly correlated with national outcomes. Is this largely due to human capital spillovers? This paper argues that...