Evaluations

Researchers conducted a randomized evaluation of incentives for motorcycle taxi drivers to pay the legal road tolls in the Democratic Republic of the Congo. Results suggest that financial incentives reduced bribery by seven to ten percentage points.

Researchers tested the assumption of price inelastic demand using a randomized evaluation in South Africa. The results suggest that the demand curves were downward sloping, and steeper for price increases relative to the lender’s standard rates. Researchers also found that loan size was far more...

Researchers evaluated whether disclosure of past voting participation had a stronger impact on turnout when it reminded voters of instances in which they previously voted or of instances in which they failed to vote. The results suggest that mailings disclosing past voting behavior had strong...

Voters in Benin had a preference for clientelist political platforms, but certain subsets of voters such as women, consumers of mass media, and members of social organizations were less receptive to clientelism.

In a series of three evaluations throughout the United States, researchers evaluated the effect of group composition on individual participants’ political views. They found little evidence that the ideological and demographic complexion of the group influenced post-discussion opinions.

Researchers evaluated a voter information campaign and exploited the random assignment of reservations for women in village councils to measure the impact of information and reduced incumbent advantage on village council elections. Both interventions increased the number of candidates and drove the...

In Colombia, researchers evaluated the impact of an online sexual health course implemented in public middle schools on adolescents’ sexual health knowledge, behavior, and attitudes towards sexual health. The study showed that the online course led to improved sexual health knowledge and attitudes...

Researchers are evaluating the impact of a digital school fee loan, with and without a direct repayment incentive, on repayment rates, households’ well-being, and students’ educational outcomes.