with Sarah Mouabbi and Adrien Rousset Planat
We build indexes of commodity price developments simulating news reading using a computer-based, narrative approach. Our approach is flexible, unified, and can span the global commodity market. Our indexes track the post-crisis collapse of commodity markets, other market-specific developments, as well as the recent COVID-19 crisis. Our method can be easily applied to open questions in the international macroeconomics and finance literatures. We find that the nature of commodity price movements matters for portfolio diversification decisions and has a differential impact on stock market volatility.