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The knowledge production of "R and "D"
Czarnitzki, Dirk; Kraft, Kornelius; Thorwarth, Susanne - In: Economics letters 105 (2009) 1, pp. 141-143
Persistent link: https://www.econbiz.de/10003899412
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Patents as a measure of innovative activity
Acs, Zoltán J. - In: Kyklos : international review for social sciences 42 (1989) 2, pp. 171-180
Persistent link: https://www.econbiz.de/10001063773
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Innovation in large and small firms
Acs, Zoltán J. - In: Economics letters 23 (1987) 1, pp. 109-112
Persistent link: https://www.econbiz.de/10001024735
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Innovation, firm size and corporate finance : an initial inquiry
Acs, Zoltán J. - In: Economics letters 35 (1991) 3, pp. 323-326
Persistent link: https://www.econbiz.de/10001102339
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Trade and dynamic efficiency
Zimmermann, Klaus F. - In: Kyklos : international review for social sciences 40 (1987) 1, pp. 73-87
Persistent link: https://www.econbiz.de/10001029162
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Innovation indicators and corporate credit ratings : evidence from German firms
Czarnitzki, Dirk; Kraft, Kornelius - In: Economics letters 82 (2004) 3, pp. 377-384
Persistent link: https://www.econbiz.de/10001938468