The paper analyzes optimal climate policy under uncertainty. It endows a recent quantitative analytic integrated … assessment model (IAM) with long-run risk, adapting methods from the asset pricing literature to deal with endogenous climate … risk. The model solves in closed-form for general degrees of risk aversion, stochastic climate feedbacks, and a stochastic …

The paper illustrates how one may assess our comprehensive uncertainty about the various relations in the entire chain ….5 °C. The 99 percent confidence interval ranges from 3.0 °C to 6.9 °C. Uncertainty about socio-economic drivers of climate … change lie behind a non-trivial part of this uncertainty about global warming …