Debates about affirmative action often revolve around fairness. Accordingly, we document substantial heterogeneity in … the fairness perception of various affirmative action policies. But do these differences translate into different … low productivity individuals is not perceived as fairer than an absence of affirmative action. Higher fairness perceptions …

of children's pref-erences for their prosociality, educational achievement, risky behaviors, emotional health, and …

(e.g., related to an individual's altruism, fairness perceptions, concerns for efficiency, and political views). By …

Laboratory experiments are a widely used methodology for advancing causal knowledge in the physical and life sciences …. With the exception of psychology, the adoption of laboratory experiments has been much slower in the social sciences …, although during the last two decades, the use of lab experiments has accelerated. Nonetheless, there remains considerable …