In recent randomized survey experiments by the U.C.L.A. Covid-19 Health and Politics Project, two seemingly strong incentives have emerged. Roughly a third of the unvaccinated population said a cash payment would make them more likely to get a shot. This suggests that some governors may be on the right track; West Virginia’s governor, Jim Justice, for example, recently announced the state would give young people $100 bonds if they got an inoculation. Similarly large increases in willingness to take vaccines emerged for those who were asked about getting a vaccine if doing so meant they wouldn’t need to wear a mask or social-distance in public, compared with a group that was told it would still have to do those things.