The fiscal theory of the price level says that the price level can be made determinate if the government uses fiscal policies such that government liabilities explode unless the price in the first period is at the "right" level. The policy implications are disturbing, as they call for rather...

This paper argues that incorporating information about the financial cycle is important to improve measures of potential output and output gaps. Conceptually, identifying potential output with non-inflationary output is too restrictive. Potential output is seen as sustainable; yet experience...

This paper offers a framework to study commitment and cooperation issues in games with multiple policymakers. To reconcile some puzzles in the recent literature on the nature of policy interactions among nations, we prove that games characterized by different commitment and cooperation schemes...

Because it was designed for efficient stationary regimes, the New-Consensus Macroeconomic governance carries several drawbacks when implemented in Keynesian non-ergodic regimes. As long as Keynesian unemployment is interpreted in terms of 'natural' rate, it serves as a macroeconomic policy...

In this paper, we study maximizing long-run economic growth trade-off in monetary and fiscal policies in an endogenous growth model with transaction costs. We show that both monetary and fiscal policies are subject to threshold effects, a result that gives account of a number of recent empirical...

Contrasting with the 1929 great crisis, authorities intervened forcefully in 2008 to stop the disintegration of the financial system. Governments and central banks then sought to revise the prudential regulation in depth. It would be optimistic, however, to believe that prudential measures,...

High sovereign debt in advanced economies has recently revived the debate about the role of coordination problems and self-fulfilling beliefs as drivers of sovereign default risk. I show how default risk can be decomposed in a solvency-risk component and a coordination-risk component. I then...

As the world economy slowly recovers from the very deep and widespread recession of recent years, many countries confront very serious fiscal imbalances. How much time they have to deal with these imbalances is a central question, the salience of which can only have been increased by the ongoing...