Policy makers responding to COVID-19 need to know people's relative valuation of health over wealth. Loosening and tightening lockdowns moves a society along a (perceived) health-wealth trade-off and the associated changes have to accord with the public's relative valuation of health and wealth...

People frequently behave non-selfishly in situations where they can reduce their own payoff to help others. It is typically assumed that such pro-social behavior arises because people are motivated by a social preference. An alternative explanation is that they follow a social norm. We test with...