After twenty years of global negotiations, the world is still far from a comprehensive climate agreement. The 'top-down' approach embodied by the Kyoto Protocol has all but stalled, chiefly due to disagreements over levels of ambition and objections to financial transfers. To avoid those...

What do we know about the size of the rebound effect? Should we believe claims that energy efficiency improvements lead to an increase in energy use? This paper clarifies what the rebound effect is, and provides a guide for economists and policymakers interested in its magnitude. We describe how...

This paper introduces geoengineering into an optimal control model of climate change economics. Together with mitigation and adaptation, carbon and solar geoengineering span the universe of possible climate policies. Their wildly different characteristics have important implications for climate...

Angenommen, Sie hätten ein zehnprozentiges Risiko, bei einem Verkehrsunfall ums Leben zu kommen. Oder Sie hätten ein ebenso hohes Risiko, grossen finanziellen Schaden zu erleiden. Wahrscheinlich würden Sie alles daransetzen, eine solche Katastrophe abzuwenden. Richtig? Warum unternehmen wir...