The Covid-19 pandemic has caused supply chain disruptions. How much have the costs of international trade increased? What impact has this had on the U.S. economy? What is the effect on labor force participation? Can existing models properly quantify these effects? Recent research by three leading economists tried to model the real-life situation of U.S. dependence on a global supply chain and what happened when parts of that chain were broken. (“Broken” encompasses several scenarios: “ports being closed or operating at partial capacity, fewer workers being available for health reasons, and a shortage of shipping containers, among other challenges.”) On […]