We conduct a controlled lab-field experiment to directly test the short-run spillover effects of one-off financial incentives in health. We consider how incentives affect effort in a physical activity task - and then how they spillover to subsequent eating behaviour. Compared to a control group,...

There is increasing research on the exogenous impact of descriptive social norms on economic behavior. The research to date has a number of limitations: 1) it has not de-coupled the impact of the norm and the knowledge required to understand how to change behavior based upon it; 2) it has...