We examine how different renewable energy support policies affect innovation in solar and wind power technologies. The analysis is conducted using policy and patent data for a large sample of 194 countries and territories. The policy data allows distinguishing two dimensions of regulation, i.e....

To achieve climate targets, efforts need to be made in Europe to improve energy efficiency and to expand renewable energies. Conditions for investing in renewable energies in Europe must be improved, subsidies for fossil and nuclear energy reduced. A 100 percent renewable energy system is...