Which region(s) will come to dominate the world economy? This paper develops the Global Gaidar Model (GGM), a 17-region, 2-skills, 100-period OLG model, to address this and other questions. The model is carefully calibrated to 2017 UN demographic and IMF fiscal data. Productivity growth and its...

Every country faces what economists call an intertemporal (across time) budget constraint, which requires that its government's future expenditures, including the servicing of its outstanding official debt, be covered by its government's future receipts when measured in present value. The...