BERLIN — Waves of xenophobia and clashes over immigration policy are not only politically explosive in some of Germany’s poorest regions, but they are also bad for business.A quarter-century after reunification, a large part of the once-communist East Germany still struggles to catch up to the more prosperous west. But now, anti-immigrant sentiment and the success of far-right parties in the face of a flood of Middle Eastern, North African and South Asian refugees pose new threats to the business climate and fears for investors in a region still recovering from Marxist control.
