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 …

Do acts of kindness improve the well-being of the actor? Recent advances in the
behavioural sciences have provided a number of explanations of human social, cooperative …

Winner of the Nobel Prize in Economics Get ready to change the way you think about
economics. Nobel laureate Richard H. Thaler has spent his career studying the radical …

Human behaviour is of profound significance in sha** pathways towards sustainability.
Yet, the approach to understanding human behaviour in many fields remains reliant on …

What is morality, where does it come from, and how does it work? Scholars have struggled
with these questions for millennia. But we now have a scientific answer. The theory of …

I survey the literature post Ledyard (Handbook of Experimental Economics, ed. by J. Kagel,
A. Roth, Chap. 2, Princeton, Princeton University Press, 1995) on three related issues in …

One lingering puzzle is why voluntary contributions to public goods decline over time in
experimental and real-world settings. We show that the decline of cooperation is driven by …

Theoretical models suggest that social networks influence the evolution of cooperation, but
to date there have been few experimental studies. Observational data suggest that a wide …

Interdependent situations are pervasive in human life. In these situations, it is essential to
form expectations about the others' behaviour to adapt one's own behaviour to increase …

Recent evidence suggests that prosocial behaviors like conditional cooperation and costly
norm enforcement can stabilize large-scale cooperation for commons management …