In this paper, we set out the Japanese Economic Model (JEM), a large-scale macroeconomic model of the Japanese economy. Although the JEM is a theoretical model designed with a view to overcoming the Lucas ( 1976) critique of traditional large-scale macroeconomic models, it can also be used for...

Japan is facing severe fiscal challenges. The aging of the population is projected to raise total pension and health expenditures. There is already a huge debt to output ratio, which is the highest among the advanced economies. In this paper we ask, gIf the consumption tax rate is raised to 15...