Reunification came with a hefty price tag - about 2 trillion euros. More than half that went into social services and programs. About 300 billion euros went into renewing infrastructure and transportation. The massive transfer of funds from west to east spurred an economic boom in western Germany as well as in the former east.
More Made in Germany on: http://www.dw.de/program/made-in-germany/s-3066-9798