Feng, Siyu; Lazkano, Itziar - 2022
Using patent data from 1978 to 2019 across 1,881 regions, we estimate the maindeterminants of innovation in energy … storage. Our results highlight the role of energyprices and past innovation in shaping innovation. Specifically, a one …-unit increase inelectricity prices leads to a 15.54% reduction in the ratio of storage to electricity generationpatents. We also …