Since 2008, the central banks of advanced countries have borrowed trillions of dollars from their commercial banks in the form of interest-paying reserves and invested the proceeds in portfolios of risky assets. We investigate how this new style of central banking affects central banks'...

In much of the world, growth is more stable than it once was. Looking at a sample of twentyfive countries, we find that in sixteen, real GDP growth is less volatile today than it was twenty years ago. And these declines are large, averaging more than fifty per cent. What accounts for the fact...

In this paper we critically review the literature on the political economy of monetary policy, with an eye on the questions raised by the recent financial crisis. We begin with a discussion of rules versus discretion. We then examine the issue of Central Banks independence both in normal times,...

Modern theory has delivered both the conservative central banker and the principal-agent approaches as rationales for the independence of the central bank. The principal-agent approach directs attention to the importance of both clearly defining the goals of the central bank and its command in...

After almost four decades of price stability, inflation has recently approached historical highs. Initially driven by global energy and food price increases, the magnitude of the surge in inflation caught central banks and markets by surprise. Price pressures are now increasingly broadening to...

We study how cross-country macroeconomic spillovers caused by sovereign default affect equilibrium bailouts. Because of portfolio diversification, the default of one country causes a macroeconomic contraction also in other countries. This generates a self-interest for these other countries to...