We use perturbation methods to derive a rule for the optimal risk-adjusted social cost of carbon (SCC) that … different aversions to risk and intertemporal fluctuations, convex damages, uncertainties in economic growth, atmospheric carbon …-run climate feedbacks. Our non-certainty-equivalent rule for the SCC incorporates precaution, risk insurance, and climate …

affiliation of the future governor is a source of political risk to firms considering business investment. More importantly, the …

Consumption risk sharing among U.S. federal states increases in booms and decreases in recessions. We find that small … aggregate risk sharing are more pronounced in states in which small firms account for a large share income or employment. In … to have loosened the dependence of aggregate risk sharing on the business cycle. Not only do our result support that …

The argument that policy risk, i.e., uncertainty about monetary and fiscal policy, has been holding back the economic … recovery in the U.S. during the Great Recession has a large popular appeal. We analyze the role of policy risk in explaining … business cycle fluctuations by using an estimated New Keynesian model featuring policy risk as well as uncertainty about …

From 1963 through 2015, idiosyncratic risk (IR) is high when market risk (MR) is high. We show that the positive … has roots in fundamentals. Higher market risk predicts greater idiosyncratic earnings volatility as well as dispersion and …