Recent studies on human decision-making under uncertainty have revealed the following typical behavioral principles: (1) the importance of the status quo as a reference point ("target") for assessing outcomes, (2) the prevalence of risk-aversion for gains, i.e. above-target payoffs, but...

Children form social ties along dimensions of gender and race/ethnicity, and thus may differ greatly in exposure to peer health and also in reactivity to peer influence. This paper estimates heterogeneity in the peer effects of obesity along dimensions of gender, race/ethnicity, and...

Hundreds of studies have shown that air pollution affects health in the very short-run. This played a key role in setting air quality standards. Yet, estimated effect sizes can vary widely across studies. Analyzing the results published in epidemiology and economics, we find that publication...