This paper examines whether the proliferation of new index products, such as commodity-tracking exchange-traded funds (ETFs), amplified the volatility transmission channel introduced by financialization. This paper focuses on the volatility spillover effects among crude oil, metals, agriculture,...

GARCH-jump models of metal price returns, while allowing for sudden movements (jumps), apply the same specification of the jump component in both ‘bear' and ‘bull' markets. As a result, the more frequent but relatively small jumps that occur in both bear and bull markets dominate the...

This paper shows that oil shocks primarily impact economic growth through the conditional variance of growth. Our comparison of models focuses on density forecasts. Over a range of dynamic models, oil shock measures and data we fi nd a robust link between oil shocks and the volatility of...