Based on patent data and industry specific energy prices for 18 OECD countries over 30 years we investigate on an … industry level the impact of energy prices on green innovation activities. Our econometric models show that energy prices and … green innovation activities are positively related and that energy prices have a significantly positive impact on the ratio …

impact of internal and external knowledge pools of both green and other than green technologies on green patent activities …. It turned out that the internal green knowledge stock is positively related to green patent activities with a … countries are also positively related with industries' green patent activities, although with a significantly lower marginal …

cycle where innovation induces industry growth, which in turn induces innovative activities. Furthermore, patent growth … resource-driven economy to a knowledge-driven economy. The paper first takes a historical perspective on innovation and … technological areas as well as in different industries. Patent data provides a long time-series of innovative activity from 1842 to …

An innovative firm chooses strategically whether to patent its process innovation or rely on secrecy. By doing so, the … firm manages its rival's beliefs about the size of the innovation, and affects the incentives in the product market … an innovative firm with unknown costs and probabilistic patent validity. Increasing the number of firms (degree of …

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 …

evidence about the policy-induced development of environmentally friendly technology. I use patent data from 1976 to 1997 for … patent over time in one country (such as changes in patenting laws and of course economic growth), I regard the ratio of … mere patent counts.1 I find that energy prices (as a demand-side factor that influences the value of new innovations) have …

recent literature is that there is a clear impact of environmental policy on invention, innovation and diffusion of …

Policymakers all over the world claim: no innovation without protection. For more than a century, critics have objected …. It is possible to model innovation as a prisoner's dilemma between potential innovators, and to interpret intellectual …

team size is shown: more developers may increase the total profit of an innovation (before paying the involved people) but …

We investigate the timing of adoption of product and process innovation by using a differential game in which firms may … invest in both activities. We consider horizontal product innovation that reduces product substitutability, and process … innovation that reduces marginal cost. First, we demonstrate that the incentive for cost-reducing investment is relatively higher …