This notes outlines how to solve Hayashi and Prescott (2007) "The 1990s: Japan's Lost Decade", extended with an exogenous population growth and labour-augmenting technical progress, using a Linear-Quadratic Approximation as in Ljungqvist and Sargent (2004).

This paper develops a large-scale, dynamic life-cycle model to simulate Russia's demographic and fiscal transition under favorable and unfavorable fossil-fuel price regimes. The model includes Russia, the U.S., China, India, the EU, and Japan+ (Japan plus Korea). The model predicts dramatic...