This volume was prepared by Markus Reischmann while he was working at the Ifo Institute. It was completed in June 2015 and accepted as a doctoral thesis by the Department of Economics at the University of Munich in November 2015. It includes five self-contained chapters in the fields of public...

How should public debt be managed when uncertainty about the business cycle is widespread and debt levels are high, as in the aftermath of the last financial crisis? This paper analyzes optimal fiscal policy with ambiguity aversion and endogenous government spending. We show that, without...

In the context of the increasing budget deficit and public debt, on one hand, and the need to restore economic growth without compromising financial stability and fiscal sustainability on long term, on the other hand, governments must undertake severe measures concentrated especially on...

We examine the sustainability of public finances and its determinants for 19 Eurozone countries from 1995 to 2020. We conclude for the existence of panel cointegration between government revenues and expenditures; primary government balance and one-period lagged public debt-to-GDP ratio; and...

We assess the drivers of fiscal sustainability in 20 OECD economies between 1950 and 2019. We find stable long-term relationships between government revenues and expenditures as well as between the primary budget balance and past public debt ratio for the full panel. Performing an expanding...