Journal article
Trends and volatility in Japanese patenting in the USA: An analysis of the electronics and transport industries
Scientometrics, Vol.55(2), pp.171-187
2002
Abstract
This paper analyses trends and volatility in patenting in USA by Japan in the electronics/electrical and motor vehicle/transport epuiqment industries. The number of patents has increased steadily, with the two industries accounting in 1997 for one-half of Japanese patents in USA. The electronics/electrical industry has been a much stronger performer, with a share of 30% of US patents, compared with 20% for motor vehicle/transport epuiqment. Using monthly data for 1975-1997, the time-varying nature of the volatility of patents registered in the USA is examined. The asymmetric AR(1)-GJR(1,1) model is found to be suitable for motor vehicle/transport epuiqment, whereas the AR(1)-GARCH(1,1,) and AR(1)-GJR(1,1) models provide interesting results for electronics/electrical.
Details
- Title
- Trends and volatility in Japanese patenting in the USA: An analysis of the electronics and transport industries
- Authors/Creators
- D. Marinova (Author/Creator) - Murdoch UniversityM. McAleer (Author/Creator) - The University of Western Australia
- Publication Details
- Scientometrics, Vol.55(2), pp.171-187
- Publisher
- Springer Verlag
- Identifiers
- 991005542329407891
- Murdoch Affiliation
- Institute for Sustainability and Technology Policy
- Language
- English
- Resource Type
- Journal article
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- 6.10 Economics
- 6.10.80 Market Interdependencies
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- Information Science & Library Science
- ESI research areas
- Social Sciences, general