Sooner or later, the ECB must accept that monetary financing in support of deficit spending is a necessity not just for mitigating the coronavirus crisis, but also for averting a downward deflationary cycle that could pull the eurozone apart.

The German federal government's fiscal consolidation package, announced in June, is designed to permanently reduce the federal deficit to a new target level. This article uses a three-region version of the European Commission's QUEST model to gauge the impact of the package on Germany and the...