Consumer-goods companies have used them to steer customers toward climate-friendly products and services. Health organizations, for example, have used nudges to educate citizens about COVID-19 testing and vaccination. Nudges are interventions, big and small, aimed at getting people to act in their own best interest.
Since Harvard professor Cass Sunstein and University of Chicago professor Richard Thaler introduced the concept of nudging to the world, in 2008, about 400 “nudge units”- or behavioral-insights teams-have been established in public- and private-sector organizations around the world.
