Prof. Christian Proa?o as a fact checker at "Hart aber Fair"!
Normally, there is no time during a talk show to examine statements or assessments of the guests. That is why "Hart aber Fair" evaluate some statements in the so-called "Faktencheck".
Prof. Christian Proa?o, Professorship for Economics, esp. Empirical Economics, participated in the Faktencheck of the program broadcasted via television on January 27, 2020. The link can be found here.