Kruger VJJ, U Cantner and H Hanusch (2003). “Explaining International Productivity Differences.” Jahrbucher Fur Nationalokonomie Und Statistik 223(6): 659-679.

Kruger VJJ, U Cantner and H Hanusch (2003). “Explaining International Productivity Differences.” Jahrbucher Fur Nationalokonomie Und Statistik 223(6): 659-679.

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