‘Berlin, situated in the east [of Germany was] divided during the cold war. Before the second world war [Berlin] was a big banking and industrial centre. Wartime destruction and post-war division pushed big companies like Deutsche Bank and Siemens to friendlier West German locations,’ (‘East German industry: Still not over the wall–Few big companies have headquarters east of Germany’s old internal border,’ The Economist Nov 8th 2014, p58).