Researchers in policymaking institutions have expended significant effort to develop a new generation of macro models with more rigorous microfoundations. This paper provides a summary of the applications of two of these models. The Global Economy Model is a quarterly model that features a large...

This paper examines the macroeconomic effects of different timing and composition of fiscal adjustment in the United Kingdom using the IMF’s Global Fiscal Model. Early consolidation dampens aggregate demand in the short term, but increases output in the long term as smaller primary surpluses...

Japan has the most rapidly aging population in the world. This affects growth and fiscal sustainability, but the potential impact on inflation has been studied less. We use the IMF's Global Integrated Fiscal and Monetary Model (GIMF) and find substantial deflationary pressures from aging, mainly...

Japan has the most rapidly aging population in the world. This affects growth and fiscal sustainability, but the potential impact on inflation has been studied less. We use the IMF’s Global Integrated Fiscal and Monetary Model (GIMF) and find substantial deflationary pressures from aging,...

We explore the underlying determinants of the macroeconomic effects of fiscal policy and tax and social security reform using the IMF's Global Fiscal Model (GFM). We show that the planning horizon of consumers, access to financial markets, and the elasticity of labor supply, as well as the...

This paper undertakes a rigorous analysis of the effects of policies to respond to the looming demographic pressures in Europe and elsewhere. We examine the impact of fiscal adjustment by itself, and when pursued in combination with tax, labor and product market reforms, using the IMF's Global...