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Knowledge technological proximity: evidence from US and European patents

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  • Luigi Aldieri
Abstract
The purpose of this paper is to explore the correlation between the technological proximity measures in three areas: USA, Japan and the Europe. In each economic area, we use information from two international patent systems to construct the technological proximity for 240 large international firms. In particular, we select firms' patents from United States Patent and Trademarks Office data and European Patent Office data. In order to compute the technological proximity, we follow the methodology developed by Jaffe [1986. "Technological Opportunity and Spillovers of R&D: Evidence from Firms' Patents, Profits and Market Value." American Economic Review 76 (5): 984--1001], where a technological vector is based on the distribution of patents of each firm across technology classes. Since the Jaffe distance assumes that spillovers only occur within the same technology class, but rules out spillovers between different classes, we develop also a distance measure which exploits the Mahalanobis norm to identify the distance between different technology classes based on the frequency that patents are taken out in different classes by the same firm. The contribution to the existing literature is to investigate the robustness of the technological proximity measure and the extent to which it may be affected by patent system features.

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  • Luigi Aldieri, 2013. "Knowledge technological proximity: evidence from US and European patents," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 22(8), pages 807-819, November.
    • Handle: RePEc:taf:ecinnt:v:22:y:2013:i:8:p:807-819
    DOI: 10.1080/10438599.2013.788838
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    Cited by:

    1. Massimiliano Agovino & Luigi Aldieri & Antonio Garofalo & Concetto Paolo Vinci, 2017. "Quality and quantity in the innovation process of firms: a statistical approach," Quality & Quantity: International Journal of Methodology, Springer, vol. 51(4), pages 1579-1591, July.
    2. Mafini Dosso & Antonio Vezzani, 2015. "Top R&D investors and international knowledge seeking: the role of emerging technologies and technological proximity," JRC Working Papers on Corporate R&D and Innovation 2015-09, Joint Research Centre.
    3. Luigi Aldieri & Maxim Kotsemir & Concetto Paolo Vinci, 2020. "The role of environmental innovation through the technological proximity in the implementation of the sustainable development," Business Strategy and the Environment, Wiley Blackwell, vol. 29(2), pages 493-502, February.
    4. Luigi Aldieri & Concetto Paolo Vinci, 2017. "Quantile Regression for Panel Data: An Empirical Approach for Knowledge Spillovers Endogeneity," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 9(7), pages 106-113, July.
    5. Concetto Paolo Vinci & Luigi Aldieri, 2017. "Firms’ Innovation in Waste Management and Land Fertilizers within the Triad," International Journal of Business and Management, Canadian Center of Science and Education, vol. 12(8), pages 120-120, July.
    6. Luigi Aldieri & Concetto Paolo Vinci, 2016. "Technological Spillovers Through A Patent Citation Analysis," International Journal of Innovation Management (ijim), World Scientific Publishing Co. Pte. Ltd., vol. 20(02), pages 1-23, February.
    7. Aldieri, Luigi & Kotsemir, Maxim & Vinci, Concetto Paolo, 2017. "Jacobian spillovers in environmental technological proximity: the role of Mahalanobis index on European patents within the Triad," MPRA Paper 77274, University Library of Munich, Germany.
    8. Luigi Aldieri & Concetto Paolo Vinci, 2018. "Green Economy and Sustainable Development: The Economic Impact of Innovation on Employment," Sustainability, MDPI, vol. 10(10), pages 1-11, October.
    9. Aldieri, Luigi & Sena, Vania & Vinci, Concetto Paolo, 2018. "Domestic R&D spillovers and absorptive capacity: Some evidence for US, Europe and Japan," International Journal of Production Economics, Elsevier, vol. 198(C), pages 38-49.
    10. Luigi Aldieri & Concetto Paolo Vinci, 2017. "Theoretical and Empirical Foundations of Energy Production Efficiency Activity," International Business Research, Canadian Center of Science and Education, vol. 10(9), pages 39-49, September.
    11. Alvina Sabah Idrees & Saima Sarwar, 2023. "Spatial convergence clubs and innovation persistence: a country-group comparison of international spatial spillover of innovation capabilities," Quality & Quantity: International Journal of Methodology, Springer, vol. 57(5), pages 4121-4152, October.
    12. Luigi Aldieri & Concetto Paolo Vinci, 2017. "The Role of Technology Spillovers in the Process of Water Pollution Abatement for Large International Firms," Sustainability, MDPI, vol. 9(5), pages 1-8, May.
    13. Teemu Makkonen & Adi Weidenfeld & Allan M. Williams, 2017. "Cross-Border Regional Innovation System Integration: An Analytical Framework," Tijdschrift voor Economische en Sociale Geografie, Royal Dutch Geographical Society KNAG, vol. 108(6), pages 805-820, December.
    14. Aldieri, Luigi & Bruno, Bruna & Lorente, Daniel Balsalobre & Paolo Vinci, Concetto, 2022. "Environmental innovation, climate change and knowledge diffusion process: How can spillovers play a role in the goal of sustainable economic performance?," Resources Policy, Elsevier, vol. 79(C).
    15. Yuanxi Li & Tieshan Sun & Yukang Sun, 2024. "Linkage‐ and structure‐based technological proximity and interregional spillovers of innovation growth," Growth and Change, Wiley Blackwell, vol. 55(1), March.
    16. Benjamin FRANCO & Cristian BÃNACU, 2019. "Patents Pplications Comparisons Between The Usa And Eu," Proceedings of the INTERNATIONAL MANAGEMENT CONFERENCE, Faculty of Management, Academy of Economic Studies, Bucharest, Romania, vol. 13(1), pages 248-255, November.
    17. Luigi Aldieri & Concetto Paolo Vinci, 2018. "An assessment of energy production efficiency activity: a spatial analysis," Letters in Spatial and Resource Sciences, Springer, vol. 11(3), pages 233-243, October.
    18. Choi, Mincheol & Lee, Chang-Yang, 2021. "Technological diversification and R&D productivity: The moderating effects of knowledge spillovers and core-technology competence," Technovation, Elsevier, vol. 104(C).
    19. Faria, João Ricardo & Caudill, Steven B. & Mixon, Franklin G. & Upadhyaya, Kamal P., 2021. "Cooperation and spillovers in healthcare R&D: Theory and evidence," Economic Modelling, Elsevier, vol. 95(C), pages 68-75.
    20. Aldieri, Luigi & Vinci, Concetto Paolo, 2015. "Industry Spillovers Effects on Productivity of Large International Firms," MPRA Paper 62429, University Library of Munich, Germany.

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