Social Sciences | Yale News

Naoki Egami making a presentation on external validity

Why what works in one place doesn’t always work elsewhere: Rethinking ‘external validity’

From Institution for Social and Policy Studies

Lisa Messeri and “In the Land of the Unreal” book cover

Lisa Messeri awarded Gregory Bateson Book Prize

From Faculty of Arts & Sciences

Illustration: Man interacting with AI chatbot

Can we trust AI models? Yale researchers explore the roots of chatbot errors

World map highlighting the genomes of Oceania

Genomes from Oceania offer new clues to human evolution

Derrick Gordon speaking

Cross-sector collaboration

Yale convenes state leaders, researchers, and philanthropists for data-driven decarceration meeting

From School of Medicine

Nana Osei Quarshie and cover of African Pharmakon

Nana Osei Quarshie wins 2026 Cheiron Book Prize

From Faculty of Arts & Sciences

Robert Evenson

Robert Evenson, the farmer-scholar who brought agricultural economics to Yale

From Yale Economic Growth Center

Alessandro Giammei, Chiara Mingarelli, and Cormac O’Dea

Yale honors early-career faculty for outstanding scholarship

Pages from Common Stock Indexes, 1871-1937

Over the (very) long run, stock bubbles are rare

From Yale Insights

Students taking a test

The hidden cost of standing out

From Cowles Foundation

Stephen Morris

Stephen Morris ’91 Ph.D. returns to Yale, revisiting ideas that shaped modern economic theory

From Yale Department of Economics

Illustration of futuristic city skyline and people boarding trains

Politics and Government

ISPS establishes Government Effectiveness Working Group at Yale

From Institution for Social and Policy Studies

Daniel Graves

The Ancients, the Moderns, and Thomas Jefferson

From Graduate School of Arts & Sciences

Clair Kevin Nshimirimana on Mount Olympus, Washington

From conflict to development economics: Clair Kevin Nshimirimana’s journey to Yale

From Yale Economic Growth Center

Two owl monkeys in a tree

Warmer temps, heavier owl monkeys: Climate linked to weight gain in primates

Milan Svolik

Politics and Government

Beyond elections: Why democracy depends on trust, restraint, and collective action

From Institution for Social and Policy Studies

Electric vehicle at charging station

Smarter charging infrastructure can produce big welfare gains for EV drivers — but won’t substantially increase EV adoption in the short run

From Tobin Center for Economic Policy

Closeup photo of YSPH ceremonial mace

Science & Symbol

Yale School of Public Health debuts new ceremonial mace

From School of Public Health

James McPartland

Autism insights: Honoring differences and centering autistic perspectives

From School of Medicine

Kexin Feng and Pablo Valenzuela

Using economic history to inform current policy

From Yale Economic Growth Center