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Patent data by industry : evidence for invention potential exhaustion?
Evenson, Robert E. - 1991
Persistent link: https://www.econbiz.de/10000809452
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A century of productivity change in U.S. agriculture : an analysis of the role of invention, research and extension
Evenson, Robert E. - 1978
Persistent link: https://www.econbiz.de/10000674147
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Intellectual property rights, R&D, inventions, technology purchase, and piracy in economic development : an international comparative study
Evenson, Robert E. - 1990 - Reprint
Persistent link: https://www.econbiz.de/10000921467
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Inventions intended for use in agriculture and related industries : international comparisons
Evenson, Robert E. - In: American journal of agricultural economics 73 (1991) 3, pp. 887-891
Persistent link: https://www.econbiz.de/10001109367
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International invention : implications for technology market analysis
Evenson, Robert E. - 1982
Persistent link: https://www.econbiz.de/10002133237
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Innovation and invention in Canada
Johnson, Daniel - In: Economic systems research : journal of the … 9 (1997) 2, pp. 177-192
Persistent link: https://www.econbiz.de/10001336415
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Intellectual property rights for appropriate invention
Evenson, Robert E. - 1991
Persistent link: https://www.econbiz.de/10000144094
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US agricultural competitiveness : evidence from invention data
Evenson, Robert E. - 1989
Persistent link: https://www.econbiz.de/10000127582
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Private inventive activity in Indian manufacturing : its extent and determinants
Deolalikar, Anil B.; Evenson, Robert E. - 1990
Persistent link: https://www.econbiz.de/10000130859