Using novel data on European firms, this paper examines the effect of business group affiliation on innovation. We find … that business groups foster the scale and novelty of corporate innovation. Group affiliation is particularly important in … industries that rely more on external finance and have a higher degree of information asymmetry. We also find that the innovation …

innovation distinguishing between “dirty” (internal combustion engine) and “clean” (e.g. electric and hybrid) patents across 80 … tax-inclusive fuel prices. Furthermore, there is path dependence in the type of innovation both from aggregate spillovers … and from the firm's own innovation history. Using our model we simulate the increases in carbon taxes needed to allow …