We construct and estimate a model that features endogenous growth and technology diffusion. The spillover effects from research and development provide a link between business cycle fluctuations and long-term growth. Therefore, productivity growth is related to the state of the economy. Shocks...

High uncertainty is an inherent implication of the zero lower bound, while deflation is not because of inflationary pressure due to uncertainty about how debt will be stabilized. We show that policy uncertainty empirically accounts for the absence of deflation in the US economy. Announcing...