Modern Money Theory (MMT) has generated considerable scrutiny and discussions over the past decade. While it has gained some acceptance in the financial sector and among some politicians, it has come under strong criticisms from all sides of the academic spectrum and from conservative political...

The German debt brake is often regarded as a great success story, and has therefore served as a role model for the Euro area and its fiscal compact. In this paper we fundamentally criticize the debt brake. We show that (1) it suffers from serious shortcomings, and its success is far from certain...