A new study finds that small incentives can work to nudge some people into doing something they are already inclined to do anyway, like exercise.
About 63% of Americans have gotten at least one vaccine dose. The Biden administration wants to get to 70% by July 4.
Banks are already stepping up marketing campaigns to try to get more consumers to use their services.
Nearly 90% of U.S. companies plan to encourage or require employees to get vaccinated; 65% plan to offer incentives.
Behavioral economists say there could be unintended consequences. And rewarding vaccinations remains legally murky.