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Patterns of Industrial and Geographical Knowledge Spillover for Innovation Development by Analyzing Patent Citations: a Case Study of Hydrogen Field Technologies

Abbaspour, Amir Hossein | 2024

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 56868 (44)
  4. University: Sharif University of Technology
  5. Department: Management and Economics
  6. Advisor(s): Mirnezami, Reza
  7. Abstract:
  8. Many researchers believe that the production of knowledge is a cumulative process based on past learning, and on the other hand, deepening in a specialized knowledge causes fundamental changes in that field. so to justify the existing relationships, the concept of knowledge spillover is taken into consideration. Knowledge spillover means that technologies can benefit from knowledge originating in other technologies. Our goal in this research is to identify the mechanisms and type of knowledge that can affect the flow between different industries and countries. With the increasing need of the countries of the world for energy and the environmental hazards of fossil energies, an important paradigm shift towards the use of renewable energies has taken place. Meanwhile, hydrogen as one of the types of renewable energy is used in almost every sector or industry where gas is consumed, but it does not have the risks of fossil energies. Therefore, the assumptions of our research are evaluated in the field of hydrogen. By examining more than 25,000 hydrogen patents registered in the World Intellectual Property Organization between 2007 and 2017, using data mining methods and regression models, we found specialized knowledge, more series in the same specialized field. Yes, but he will have more diverse knowledge in different industries. In addition, among the types of productive knowledge, the importance of diverse knowledge is more. Electricity and electricity, transportation and chemical industries are the most focused on the field of hydrogen, and among the 4 pioneering countries in the field of hydrogen, Japan has played the largest role in knowledge transfer. We found that geographical borders still have a significant effect on the flow and internal knowledge flow is still higher despite the expansion of international communication
  9. Keywords:
  10. Renewable Energy Resources ; Hydrogen ; Patent ; Knowledge Spillover ; Knowledge Diversity

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