Grace talks to Rupert Russell about his book Price Wars: How the Commodities Markets Made Our Chaotic World, in which he applies insights from chaos theory to the world economy. He looks at how apparently random movements in prices, often driven by speculation in the Global North, can create tectonic shifts that multiply around the world.You can support our work on the show by becoming a patron at patreon.com/aworldtowinpod (https://www.patreon.com/aworldtowinpod). Thanks to our producer Conor Gillies and to the Lipman-Miliband Trust for making this episode possible.