MILAN/HANGZHOU – During the first waves of the COVID-19 pandemic in Asia and Western advanced economies, there was a clear pattern of lockdown, containment, and gradual economic reopening. But now a third pandemic wave has brought a new, more disturbing pattern to both developing countries and major US states. The COVID-19 pandemic has arrived ...

HANGZHOU/MILAN – In a fast-evolving crisis like a pandemic, GDP and other conventional economic metrics are simply too slow to be useful for policymakers who need to make decisions about when to lock down and reopen parts of the economy. Fortunately, real-time mobility data has opened a window into the world that COVID-19 has wrought. COVID-19 ...