This paper studies technological change in renewable energies, providing empirical evidence on the determinants of innovative activity with a special emphasis on the role of knowledge spillovers. We investigate two major renewable energy technologies - wind and solar - across a panel of 21 OECD...

The indicators presented, (see indicators' description below), refer to inventions filed in one or more jurisdictions (family size 1 or greater) or in two or more jurisdictions (family size 2 or greater). A patent family is defined as the set of all patent applications protecting the same...