Clemens Fuest und Niklas Potrafke, beide ifo Institut und LMU München, diskutieren, ob die deutsche Schuldenbremse einer ökonomisch sinnvollen Staatsverschuldung im Weg stehe. Forschungsergebnisse legten nahe: Wenn die Politik Haushaltsdefizite, Verschuldungsquoten sowie Risikoprämien auf...

The existing theoretical literature on fiscal competition has to a large extent ignored the role of government debt as a determinant of taxes and productive public spending. We develop a simple model of fiscal competition with government borrowing. If a default on government debt is no option,...

We study a fiscal policy model in which the government is present-biased, leading to an excessive public deficit. An optimally designed fiscal rule needs to trade off the benefit of committing the government to not overspend against the benefit of granting it flexibility to react to shocks to...

We develop a theory of economic disintegration that features both endogenously formed tax and trade policies. We show very generally that the economic disintegration of a country from an economic union leads to a deeper integration of international trade institutions. Moreover, we set up a...

In this paper, we analyze politicians' expectations about future compliance with a fiscal rule, and in particular the dependence of the expectations on their role in parliament (opposition vs. incumbent government coalition). In addition, we explore how opposition and incumbent politicians...

Mobility of high-income individuals across borders puts pressure on governments to lower taxes. A central tenet of the corresponding textbook argument is that mobile individuals react to tax differentials through migration, and in turn immobile individuals vote for lower taxes. We investigate to...

We develop a theory of economic disintegration with both endogenously formed tax and trade policies. We show very generally that, contrary to conventional wisdom, a country’s disintegration from an integrated area leads to a deeper integration inside the area. Similarly, the departure of a...

Under extraterritorial sanctions the sanctioning country extends its policies to trade of third countries with the sanctioned country. A prominent example is former US President Trump's decision to leave the Joint Comprehensive Plan of Action (JCPOA), a multilateral agreement with Iran. The...