We develop a Fiscal Frontier which traces out the maximum government debt level that can be sustained at a given welfare cost. Through duality, the intertemporal policy mix underpinning the Frontier mirrors standard Ramsey policy and defines an upper limit on the welfare gains that can be...

This paper builds a two-country Heterogenous Agents New Keynesian (HANK) model for the Euro Area (EA). The two countries differ in the degree of public indebtedness, i.e., the Periphery has a relatively higher public debt-output ratio vis-à-vis the Core. The model captures some key features of...