This study addresses a fundamentally new feature of the contemporary world economy: the simultaneous buildup of very large public deficits and debt positions in virtually all of the advanced high-income countries. The recent global financial crisis sharply accelerated this fiscal deterioration, but it was already well underway in some countries, including the United States, where demographic prospects had posed extremely worrisome trajectories for a number of years.

The book has three basic objectives. First, it projects the global fiscal outlook to 2035. Second, it asks whether the...

Volatile exchange rates and how to manage them are a contentious topic whenever economic policymakers gather in international meetings. This book examines the broad parameters of exchange rate policy in light of both high-powered theory and real-world experience. What are the costs and benefits of flexible versus fixed exchange rates? How much of a role should the exchange rate play in monetary policy? Why don't volatile exchange rates destabilize inflation and output?

The principal finding of this book is that using monetary policy to fight exchange rate volatility, including through the...