Nesta, Lionel; Vona, Francesco; Nicolli, Francesco - In: Journal of Environmental Economics and Management 67 (2014) 3, pp. 396-411
We investigate the effect of environmental policies on innovation under different levels of competition. Using information regarding renewable energy policies, competition and green patents for OECD countries since the late 1970s, we develop a pre-sample mean count-data econometric specification...