The Covid-19 pandemic found policymakers facing constraints on their ability to react to an exceptionally large negative shock. The current low interest rate environment limits the tools the central bank can use to stabilize the economy, while the large public debt curtails the efficacy of...

We develop a new class of general equilibrium models with partially unfunded debt to propose a fiscal theory of persistent inflation. In response to business cycle shocks, the monetary authority controls inflation, and the fiscal authority stabilizes debt. However, the central bank accommodates...

We develop a theoretical framework to account for the observed instability of the link between inflation and fiscal imbalances across time and countries. Current policy makers behavior influences agents ' beliefs about the way debt will be stabilized. The standard policy mix consists of a...