Kruse, Jürgen; Wetzel, Heike - 2016
This article empirically analyzes supply-side and demand-side factors expected to a.ect innovation in clean coal … clean coal patenting and overall propensity to patent positively a.ects clean coal innovation. On the demand-side we find … strong evidence that environmental regulation of emissions, that is, CO2, NOX and SO2, induces innovation in both efficiency …