Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 113-120 of 210
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The Effectiveness of Encouraging Voter Participation by Inducing Feelings of Pride or Shame

Alan Gerber
Donald Green
Christopher Larimer
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The Role of Protest Experience and Social Networks in Protest Movements in Hong Kong

Leonardo Bursztyn
Davide Cantoni
David Yang
Noam Yuchtman
Y. Jane Zhang
In Hong Kong, researchers conducted a randomized evaluation to test the impact of indirectly incentivizing protest participation on sustained participation in a political movement and to identify the role social networks play in protest turnout. Indirectly incentivizing participants to attend a...
Man carries buckets of water to house in dry landscape

Harvesting Rainfall: Experimental Evidence from Cistern Deployment in Northeast Brazil

Gustavo Bobonis
Paul Gertler
Marco Gonzalez-Navarro
Simeon Nichter
Distributing water cisterns in northeast Brazil led to fewer requests for private benefits from local politicians and fewer votes for incumbent mayors, who typically have more resources to engage in clientelism. Marco Gonzalez-Navarro and J-PAL's Latin America & Caribbean office are now working with...
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The Persuasive Effects of Televised Campaign Ads

Alan Gerber
James G. Gimpel
Donald Green
Daron R. Shaw
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Do Phone Calls Increase Voter Turnout in the United States?

Alan Gerber
Donald Green
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Personality Traits and Responses to Persuasive Appeals among Voters in the United States

David Doherty
Conor M. Dowling
Alan Gerber
Gregory A. Huber
Costas Panagopoulos
People look at tablet on donation page

Donor Response to Aid Effectiveness in a Direct Mail Fundraising Experiment in the United States

Dean Karlan
Daniel H. Wood
A father helping his daughter with her homework

Empowering Parents to Improve Education Quality in Rural Mexico

Paul Gertler
Harry Anthony Patrinos
Eduardo Rodríguez-Oreggia
Researchers in Mexico evaluated the impact of providing parent associations with larger grants and more information on educational outcomes. Providing information to parent associations reduced students’ disciplinary actions in schools without improving students’ test scores.