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...

This paper provides an evaluation of the long-term fiscal sustainability of advanced economies, based on current estimates of these economies’ current-policy fiscal trajectories. As will be quite evident, for many countries short-term fiscal measures, such as the debt-GDP ratio and the...

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...