Lock-In Effects on the Energy Sector: Evidence from Hydrogen Patenting Activities

Francesca Pantaleone and Roberto Fazioli
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Francesca Pantaleone: Department of Economics, University of Ferrara, 44121 Ferrara, Italy
Roberto Fazioli: Department of Economics, University of Ferrara, 44121 Ferrara, Italy

Energies, 2022, vol. 15, issue 9, 1-15

Abstract: The aim of the paper is to analyze how regulatory design and its framework’s topics, other than macroeconomic factors, might impact green innovation by taking into consideration a brand-new renewable source of energy that is becoming more and more important in recent years: hydrogen and fuel cell patenting activities. Such activities have been used as a proxy for green technological change in a panel data of 52 countries over a 6-year period. A series of sectorial, energy regulation, and macroeconomic variables were tested to assess their impact on that technological frontier of green energy transition policy. As might have been expected, the empirical analysis carried out with the model that was prefigured confirms significant evidence of lock-in effects on fossil fuel policies. The model confirms, however, another evidence: countries already investing in renewables might be willing to invest in hydrogen projects. A sort of reinforcement to the further development of green sustainable strategies seems to derive from having already concretely undertaken this direction. Future research should exploit different approaches to the research question and address the econometric criticalities mentioned in the paper, along with exploiting results of the paper with further investigations.

Keywords: hydrogen; energy; environmental innovation; renewables; patents; panel data (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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