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 … find evidence on the significance of past innovation in shapingthe direction of current innovation. These results imply the …