Japan is in the midst of a demographic transition that is both rapid and large by international standards. As recently as 1990, Japan had the youngest population among the Group of 6 large, developed countries. However, the combined effects of aging of the baby boomer generation and low...

Does fiscal policy have qualitatively different effects on the economy in a liquidity trap? We analyze a nonlinear stochastic New Keynesian model and compare the true and loglinearized equilibria. Using the loglinearized equilibrium conditions, the answer to the above question is yes. However,...

We provide a quantitative theory of deflation and secular stagnation. In our lifecycle framework, an aging population puts persistent downward pressure on the price level, real interest rates, and output. A novel feature of our theory is that it also recognizes the reactions of government...