Human Behavior & Cooperation
Why and when people cooperate, trust others, act honestly and follow moral norms.
University of Milano-Bicocca
Associate Professor of Psychology
I study how people make decisions, cooperate and respond to social and moral dilemmas. My work brings together psychology, behavioural economics, language and artificial intelligence.

Research Interests
Trained first as a mathematician, I later turned to the social sciences to study social and moral conflicts. My research looks at cooperation, altruism, trust, honesty and moral choices — prosocial behaviours that I see as foundations of a better society, because they maximise long-term benefits and minimise long-term costs. More recently, I have focused on how language shapes behaviour, on language-based models of decision-making and on what large language models can tell us about human choices.
Why and when people cooperate, trust others, act honestly and follow moral norms.
How the words used to describe a choice shape decisions, beyond monetary outcomes.
How large language models can help study and predict human behaviour, and what biases they carry.
Research output
Capraro V, Halpern JY, Perc M (2024). From outcome-based to language-based preferences. Journal of Economic Literature, 62, 115–154.
Pizziol V, Demaj X, Di Paolo R, Capraro V (2023). Political ideology and generosity around the globe. Proceedings of the National Academy of Sciences, 120, e2219676120.
Capraro V, Di Paolo R, Pizziol V (2025). A publicly available benchmark for assessing Large Language Models' ability to predict how humans balance self-interest and the interest of others. Scientific Reports, 15, 21428.
Capraro V (2025). Human behaviour through a LENS: How Linguistic content triggers Emotions and Norms and determines Strategy choice. Current Opinion in Psychology, 102024.
The Economics of Language: How Large Language Models Can Reshape Behavioural Economics
Valerio Capraro
Featured Book
Valerio Capraro · Cambridge University Press · 2026
The book examines how language shapes economic decisions and how large language models can help study and predict human behaviour. It introduces the LENS framework and connects behavioural economics with recent advances in artificial intelligence.
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