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 studies conditional correlated jump dynamics in foreign exchange returns using a new bivariate jump model with autoregressive jump intensities. Using daily data of German Mark against British Pound and Japanese Yen against the U.S. dollar, we find currency return correlations are...