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 question of what is a sustainable public debt is paramount in the macroeconomic analysis of fiscal policy. This question is usually formulated as asking whether the outstanding public debt and its projected path are consistent with those of the government's revenues and expenditures (i.e....

How high can public debt rise without compromising fiscal solvency? We answer this question using a stochastic ability-to-pay model of sovereign default in which risk-neutral investors lend to a government that displays "fiscal fatigue," because its ability to increase primary balances cannot...

The ratios of public debt as a share of GDP of Brazil, Colombia, and Mexico were 12 percentagepoints higher on average during the period 1996-2005 than in the period 1990-1995. CostaRica's debt ratio remained stable but at a high level near 50 percent. Is there reason to beconcerned for the...

The ratios of public debt as a share of gdp of Brazil, Colombia and Mexico were 12 percentage points higher on average during the period 1996-2005 than in the period 1990-1995. Costa Rica’s debt ratio remained stable but at a high level; near 50 per cent. Is there reason to be concerned about...