This paper addresses the timing and interdependence between innovation and environmental policy in a model of research … and development (R&D). On a first-best path the environmental tax is set at the Pigouvian level, independent of innovation …. However, with finite patent lifetime, optimal innovation policy depends on the stage of the environmental problem. In the …

the interaction between environmental taxes and innovation externalities in a dynamic economy and prove policy equivalence … directly linked to the source of technological innovation. Arguments for early action in LbD models carry over to a second …

on innovation activities. In addition, we find that price-based policy instruments are more effective in fostering …

energy R&D expenditures. Technological innovation is measured using patent counts for specific technologies related to energy …

This paper addresses two basic issues related to technological innovation and climate stabilisation objectives: i) Can … innovation policies be effective in stabilising greenhouse gas concentrations? ii) To what extent can innovation policies … technical progress in the energy sector. We evaluate a range of innovation policies, both as a stand-alone instrument and in …

This paper analyses optimal investments in innovation when dealing with a stringent climate target and with the … uncertain effectiveness of R&D. The innovation needed to achieve the deep cut in emissions is modelled by a backstop carbon … technological advancement yields higher investments in innovation and lower policy costs. We then confirm the results via a …