Uncertainty plays a significant role in evaluating climate policy, and fat-tailed uncertainty may dominate policy advice. Should we make our utmost effort to prevent the arbitrarily large impacts of climate change under deep uncertainty? In order to answer to this question, we propose a new way...

Uncertainty plays a significant role in evaluating climate policy, and fattailed uncertainty may dominate policy advice. Should we make our utmost effort to prevent the arbitrarily large impacts of climate change under deep uncertainty? In order to answer to this question we propose an new way...

This year the G's are meeting at a critical moment in history, at least economic and social history. They will confront the gravest economic and social crisis in almost 80 years. To paraphrase Keynes, the destiny of the world is in the hands of the members of the G's. They could act in such a...