When a shock such as the Covid pandemic sends waves through the global economy, how do economists find ways to respond? Betsey Stevenson and Justin Wolfers guide you through the Fed Model - the mainstay of policy makers and financiers around the world. They examine the key relationships in the macroeconomy and the shocks that destabilise them.Co-host: Nastaran Tavakoli-Far. Editor: Alastair Elphick. A Modulated Media production.