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Patents and R&D : an econometric investigation using applications for German, European and US patents by German companies
Licht, Georg, (1998)
Licht, Georg, (2000)
A count panel data study of the Schumpeterian hypothesis
Jozefowicz, James J., (2003)
The determinants of firm exit in Japanese manufacturing industries
Doi, Noriyuki, (1999)
Market leadership volatility in Japanese industries
Doi, Noriyuki, (2001)
Industrial concentration and employee compensation, some evidence from Japan
Doi, Noriyuki, (1984)