Knowledge spillovers from clean and dirty technologies: A patent citation analysis
| Dates: | 18 March 2015 |
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| Times: | 13:00 - 14:00 |
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| What is it: | Seminar |
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| Organiser: | School of Social Sciences |
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| Who is it for: | University staff, Adults, Current University students |
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Speaker: Ralf Martin (Imperial College London)
Abstract:
How much should governments subsidize the development of new clean technologies? We use patent citation data to investigate the relative intensity of knowledge
spillovers in clean and dirty technologies in four technological fields: energy production, automobiles, fuel and lighting. We find that clean patents receive on average
43% more citations than dirty patents. Clean patents are also cited by more prominent patents. These results hold for all four technological areas. Two factors are
shown to explain the clean superiority: clean technologies have more general applications, and they are radically new compared to more incremental dirty innovation.
Knowledge spillovers from clean technologies are comparable in scale to those observed in the IT sector. Our results mean that stronger public support for clean R&D
is warranted. They also suggest that green policies might be able to boost economic growth.
For more information:
http://www.socialsciences.manchester.ac.uk/subjects/economics/our-research/workshop-and-seminars/environmental-and-resource-economics/
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