29 November 2017 – All economists who accept the scientific reality of climate change support public policies that make polluters pay more for the costs they impose on society. But it is worth noting that explicit carbon prices played almost no role in the dramatic cost reductions in solar and wind power in recent years. In this article, Lord Adair Turner argues that, while price instruments are a vital part of the policy armory, collapsing solar, wind, battery, and LED prices show that other instruments are also required, and in some cases more effective. Read the full article on the Project Syndicate website.