Debates about immigration’s role in addressing population aging typically concentrate on immigrant fertility rates. Moreover, standard projections account for migration’s impact on overall population growth while largely overlooking how immigration might affect native fertility. In contrast,...

In prosocial decisions, decision-makers face interpersonal uncertainty - uncertainty about how their choices impact others' utility. We use three approaches to show how it shapes classic patterns of prosocial behavior like ingroup favoritism, merit-based fairness, and self-favoring behavior....

Prosocial behavior—actions aimed to benefit other individuals, groups, or communities—are important for promoting and maintaining a healthy society. Extant research on the factors driving prosocial behavior has mainly addressed short-term effects, overlooking the factors that motivate...

Using millions of siblings in the U.S., we detail three findings that quantify whether siblings influence one another to vote in national elections. First, and descriptively, younger siblings are 10 percentage points (50 percent) more likely to vote in their first eligible election when their...