The assumption is that longer working hours and later retirement result in extra development and better authorities income. Three mannequin calculations present how sturdy the impact would actually be.
https://www.welt.de/wirtschaft/plus6998588442c1e3ae5f4dee30/mehr-wohlstand-bei-laengerer-arbeitszeit-so-stark-steigt-unser-wachstum-dann-wirklich.html