The empirical aim of this paper is motivated by the anecdotal belief among the professional and non-professional investment community, that a “low” reading in the CBOE Volatility Index (VIX) or large decline alone are ample reasons to believe that volatility will spike in the near future....

A multivariate GARCH model of natural resources is specified to capture the effects of time varying portfolio risk. A special feature of the model is the inclusion of realized volatility for natural resource assets that are available at multiple frequencies as well as being sensitive to sudden...

We study the impact of climate volatility on economic growth exploiting data on 133 countries between 1960 and 2005. We show that the conditional (ex -ante) volatility of annual temperatures increased steadily over time, rendering climate conditions less predictable across countries, with...

Addressing global climate change is likely to require broad-based deployment of new infrastructure. This new infrastructure is likely to be both costly to build and difficult to reverse – suggesting the deployment of new infrastructure is an example of “investment under uncertainty” (Dixit...