Mitigating climate change will require innovation in energy technologies. Policy makers are faced with the question of how to promote this innovation, and whether to focus on a few technologies or to spread their bets. We present results on the extent to which public R&D might shape the future...

There are over 650 million people in Africa who have no access to electricity; this is in sharp contrast to the continent’s vast untapped renewable energy potential and reflected by the lack of investments in energy infrastructure. New investments in decentralised power generation within...