This paper provides an overview of the key steps that were made in the European Union toward enhancing fiscal policy coordination and integration prior to the Covid-19 crisis. It especially highlights the key challenges and strategies that should be considered when thinking of further fiscal...

What are the macroeconomic effects of tax adjustments in response to large public debt shocks in highly integrated economies? The answer from standard closed-economy models is deceptive, because they underestimate the elasticity of capital tax revenues and ignore crosscountry spillovers of tax...

Europe's debt crisis casts doubt on the effectiveness of fiscal austerity in highly-integrated economies. Closed-economy models overestimate its effectiveness, because they underestimate tax-base elasticities and ignore cross-country tax externalities. In contrast, we study tax responses to debt...

The paper investigates the fiscal policy interactions between economies sharing an integrated capital market and derives implications for the dynamics and sustainability of policy coordination. There are two main channels: (1) fiscal competition over mobile capital and (2) a public debt...