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The researcher evaluated an opposition party’s door-to-door information campaign regarding increases in executive power or executive performance to determine the impact of widespread, non-state-authorized information on voter partisanship. In neighborhoods with majority opposition supporters...

Researchers evaluated whether the ethnicities of wholesale buyers and sellers in Chennai, India, affected the transaction terms. They found that traders offered lower prices to buyers of the same ethnicity, but not necessarily because they trusted them more.

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

Researchers evaluated the impact of additional investments in agriculture on income for subsistence farmers. In rural Mali, giving some farmers unrestricted cash grants led to significantly higher productivity and profits, suggesting farmers would invest more in their farms if they had more capital.

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. Researchers and J-PAL's Latin America & Caribbean office are now working with the...

Youth unemployment—an acute problem in Sub-Saharan Africa—can have long-term negative implications, both on individuals’ quality of life and on broader socio-economic development outcomes. A lack of necessary skills is often cited as contributing to high unemployment, and there is little evidence on...

In Ethiopia, researchers tested whether linking microcredit and family planning services could increase contraceptive use more than either program in isolation. Neither the linked program nor the isolated programs had any detectable impact on contraceptive awareness, use, or intention to use.

In partnership with an education assessment firm, researchers conducted a randomized evaluation to isolate the impact of computer-based individualized instruction in India. After nine months, lower-performing students in grades six to eight learned 22 percent of a standard deviation more in math if...