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International firm activities and innovation : evidence from knowledge production functions for German firms
Wagner, Joachim (contributor) - 2006
Persistent link: https://www.econbiz.de/10003365571
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Productivity and size of the export market evidence for West and East German plants, 2004
Wagner, Joachim (contributor) - 2007
Persistent link: https://www.econbiz.de/10003533501
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Why more West than East German firms export
Wagner, Joachim (contributor) - 2007
Persistent link: https://www.econbiz.de/10003533505
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Exports and productivity in Germany
Wagner, Joachim (contributor) - 2007
Persistent link: https://www.econbiz.de/10003533511