The literature on environmental R&D frequently studies innovation as a two-stage process, with a single R&D event … leading from a conventional polluting technology to a perfectly clean backstop. We allow for uncertainty in innovation in that … once. Using and externding recent results from multi-stage optimal control theory, we provide a full characterization of …

We examine how different renewable energy support policies affect innovation in solar and wind power technologies. The … distinguishing two dimensions of regulation, i.e. design and intensity, and their effects on innovation. The patent data is based on …, the positive effect on patenting activity increases significantly over time with an increase in the duration of the …

Education and Research. The InnoRegio program has been a new tool of innovation policy with the aim to improve innovativeness in … East Germany on the basis of prosperous regional networks. Besides the direct support of networks and innovation activities … supported regions than in other (East) German regions. Developments are investigated for a time span including years before …

A temporary change in pay to employed inventors around the time of patent application has been observed in a number of … who hire workers in R&D functions to make product innovations. The innovation process consists of distinct phases … spillovers, may affect the probability to observe bonus pay at the time of a patent application. Different tax incentives and …