Humans are an ultrasocial species. This sociality, however, cannot be fully explained by the
canonical approaches found in evolutionary biology, psychology, or economics …

The replication crisis facing the psychological sciences is widely regarded as rooted in
methodological or statistical shortcomings. We argue that a large part of the problem is the …

Experimental games model situations in which the future outcomes of individuals and
groups depend on their own choices and on those of other (groups of) individuals. Games …

A large literature shares the view that social norms shape human cooperation, but without a
clean empirical identification of the relevant norms almost every behaviour can be …

This article studies the global variation in economic preferences. For this purpose, we
present the Global Preference Survey (GPS), an experimentally validated survey data set of …

Humans are a puzzling species. On the one hand, we struggle to survive on our own in the
wild, often failing to overcome even basic challenges, like obtaining food, building shelters …

Should the idea of economic man—the amoral and self-interested Homo economicus—
determine how we expect people to respond to monetary rewards, punishments, and other …

There is immense concern about economic inequality, both among the scholarly community
and in the general public, and many insist that equality is an important social goal. However …

Deception is common in nature and humans are no exception. Modern societies have
created institutions to control cheating, but many situations remain where only intrinsic …

Theoretical models suggest that gratitude is linked to increased prosociality. To date,
however, there is a lack of a comprehensive quantitative synthesis of results to support this …