United States. Central Intelligence Agency, The 1991 CIA World Factbook
“ The most challenging economic problem of a united Germany is the reconstruction of eastern Germany's economy—specifically, finding the right mix of fiscal, regulatory, monetary, and tax policies that will spur investment in the east without derailing western Germany's healthy economy or damaging relations with Western partners. The biggest danger is that soaring unemployment in eastern Germany, which could climb to the 30 to 40% range, could touch off labor disputes or renewed mass relocation to western Germany and erode investor confidence in eastern Germany. ”
