Evaluations

Policy Publications

Search our database of policy briefcases, bulletins, and evidence reviews. Briefcases summarize the results and policy recommendations from one randomized evaluation, while bulletins synthesize the broader policy lessons emerging from multiple evaluations on the same topic. Evidence reviews summarize an existing academic literature review, like a handbook chapter or white paper, for a policy audience.

Displaying 1-9 of 95
A man working, observing several heat pumps in a street

Reviewing the Impact and Cost-Effectiveness of Local Climate Action within the United States

Last Updated:
Last Updated:
fevereiro 26, 2026
As state and local jurisdictions drive climate action in the United States, rigorous evidence is crucial to identify the most effective solutions. This policy publication synthesizes key policy insights on regional Climate Action Plans & presents gaps in the evidence base.
A worker in a hard hat and yellow vest observes heat pumps on the rooftop of a building with solar paneling on a roof in the background.

Reviewing the Impact and Cost-Effectiveness for Local Climate Action within the United States: A Literature Review

Last Updated:
Last Updated:
fevereiro 25, 2026
This literature review, developed by researchers in the J-PAL network, is a comprehensive resource that synthesizes the results of 161 rigorous evaluations of climate actions conducted in high-income countries after 2000. The review categorizes climate actions into five main areas: Energy...
Row of houses in North America

Policy Brief: Housing First Programs in North America

Last Updated:
Last Updated:
outubro 27, 2025
Research shows that providing housing without preconditions to people experiencing homelessness, also known as Housing First, keeps them stably housed and reduces future returns to homelessness.
2025 elections in Thailand (Koh Samui)

Evidence on Fostering Fair, Inclusive & Nonviolent Elections: GCCI Evidence Review

Last Updated:
Last Updated:
outubro 30, 2025
As we reflect back on a record-setting year for elections and look ahead to future polls, how can we use research to identify interventions that governments, international partners, and NGOs can implement to strengthen the quality of elections? In this brief, we provide an overview of the (quasi-...
Police officers in the U.S. complete training

A Cognitive Training to Improve Police Decision-Making

Last Updated:
Last Updated:
julho 21, 2025
Adverse policing practices such as excessive use of force and unnecessary arrests, can be harmful to individuals and community members, and erode the public’s trust in police. To address this, researchers partnered with the Chicago Police Department to evaluate the impact of a new cognitive police...

Delivering Resilience: A Decade of Experimental Research on Flood-Tolerant Seeds in India

Last Updated:
Last Updated:
agosto 31, 2015
Small-scale farmers, who adopted flood-tolerant rice, reduced their vulnerability to seasonal flooding, increased investment in their farms, increased productivity, and subsequently increased their profits, whether or not flooding occurred. Targeting agro-dealers with information, holding farmer...

Evidências sobre políticas de mercado de trabalho e implicações para o Brasil: Futuro do Trabalho

Last Updated:
Last Updated:
maio 28, 2025
Avanços em automação, digitalização e inteligência artificial têm transformado o mercado de trabalho em todo o mundo. No Brasil, essas mudanças trazem desafios particulares, dada a alta proporção de trabalhadores em ocupações de baixa qualificação e a desigualdade estrutural do mercado.