wind power using patent data from OECD countries from 1994 to 2005. We distinguish between the impact of demand …

portfolio of demand-pull policies in place (e.g., guaranteed tariffs, investment and production tax credits), and patent data as …

How much should governments subsidize the development of new clean technologies? We use patent citation data to … production and transportation. We introduce a new methodology that takes into account the whole history of patent citations to … capture the indirect knowledge spillovers generated by patents. We find that conditional on a wide range of potential …