We estimate a global commodity uncertainty factor by capturing comovement in volatilities of major commodity markets through a group-specific Dynamic Factor Model. Then, by computing impulse response functions using a Structural VAR model, we find that an increase in the common commodity price...

In this paper we extract latent factors from a large cross-section of commodity prices, including fuel and non-fuel commodities. We decompose each commodity price series into a global (or common) component, block-specific components and a purely idiosyncratic shock. We find that the bulk of the...

Facing several economic and financial uncertainties, assessing accurately global economic conditions is a great challenge for economists. The International Monetary Fund proposes within its periodic World Economic Outlook report a measure of the global GDP annual growth, that is often considered...