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Working Papers, Department of Economics, Wellesley College >
Please use this identifier to cite or link to this item:
http://hdl.handle.net/10419/23232
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Full metadata record
| DC Field | | Value | | Language |
| dc.contributor.author | | Johnson, Daniel K.N. | | en_US |
| dc.contributor.author | | Mareva, Milena | | en_US |
| dc.date.accessioned | | 2009-01-29T15:51:04Z | | - |
| dc.date.available | | 2009-01-29T15:51:04Z | | - |
| dc.date.issued | | 2002 | | en_US |
| dc.identifier.uri | | http://hdl.handle.net/10419/23232 | | - |
| dc.description.abstract | | Using patent citation data for the U.S., we test whether knowledge spillovers in biotechnology are sensitive to distance. Controlling for self-citation by inventor, assignee and examiner, cohort-based regression analysis shows that spillovers are local but that distance is becoming less important with time. Network analysis paints a picture of a stable network between states, but a changing environment between individual actors, with a growing importance of connectedness. The popular maxim that everyone is connected by six degrees of separation is tested with surprising results. | | en_US |
| dc.language.iso | | eng | | en_US |
| dc.publisher | | | | en_US |
| dc.relation.ispartofseries | | Working Papers / Wellesley College, Department of Economics 2002,01 | | en_US |
| dc.subject.jel | | N9 | | en_US |
| dc.subject.jel | | O3 | | en_US |
| dc.subject.jel | | R1 | | en_US |
| dc.subject.jel | | L6 | | en_US |
| dc.subject.ddc | | 330 | | en_US |
| dc.subject.stw | | Biotechnische Industrie | | en_US |
| dc.subject.stw | | Innovation | | en_US |
| dc.subject.stw | | Patent | | en_US |
| dc.subject.stw | | Spillover-Effekt | | en_US |
| dc.subject.stw | | Wissenstransfer | | en_US |
| dc.subject.stw | | Regionale Konzentration | | en_US |
| dc.subject.stw | | Schätzung | | en_US |
| dc.subject.stw | | USA | | en_US |
| dc.title | | It?s a Small(er) World: The Role of Geography and Networks in Biotechnology Innovation | | en_US |
| dc.type | | Working Paper | | en_US |
| dc.identifier.ppn | | 377341185 | | en_US |
| dc.rights | | http://www.econstor.eu/dspace/Nutzungsbedingungen | | - |
| Appears in Collections: | | Working Papers, Department of Economics, Wellesley College
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