The German federal government is facing criticism for using the exemption from the national debt brake due to the coronavirus crisis to expand the fiscal leeway for its future energy and climate policies. The budget dispute is taking place against the backdrop of a massive expansion of...

The paper deals with the current budget crisis in Germany, which was triggered by an attempt to increase public debt beyond the limits of the German constitution. The rejection of the Supplementary Budget 2021 of the federal government by the Constitutional Court in November 2023 requires a...

We examine global economic dynamics under infinite-horizon learning in a New Keynesian model in which the interest-rate rule is subject to the zero lower bound. As in Evans, Guse and Honkapohja (2008), we find that under normal monetary and fiscal policy the intended steady state is locally but...

We examine global economic dynamics under learning in a New Keynesian model in which the interest-rate rule is subject to the zero lower bound. Under normal monetary and fiscal policy, the intended steady state is locally but not globally stable. Large pessimistic shocks to expectations can lead...

We examine global dynamics under infinite-horizon learning in New Keynesian models where the interest-rate rule is subject to the zero lower bound. As in Evans, Guse and Honkapohja (2008), the intended steady state is locally but not globally stable. Unstable deflationary paths emerge after...

We consider inflation and government debt dynamics when monetary policy employs a global interest rate rule and private agents forecast using adaptive learning. Because of the zero lower bound on interest rates, active interest rate rules are known to imply the existence of a second, low...