The current rise of right-wing extremism in Germany poses a threat to the country’s prosperity, central bank head Joachim Nagel has warned. “I appeal to everyone not to take the threat of right-wing extremism lightly,” Nagel, 57, told the newspapers of the Funke media group on Saturday. “Right-wing extremists also scare off investors and skilled workers from abroad. That threatens our prosperity.” Nagel, like many people in Germany, was voicing concern at the recent string of election victories for the far-right, anti-immigration party Alternative for Germany (AfD). Profiting from anxiety amon…