Evaluations

To investigate which strategies are most effective at preventing drunk driving and reducing traffic accidents, researchers partnered with the Rajasthan Police in India to evaluate an anti-drunk driving program using sobriety testing checkpoints. Overall, the anti-drunk driving program was effective...

Researchers are partnering with Lahore Transport Company (LTC), the public vehicle operation regulator, to introduce routes for small vehicles, known as wagons, that feed into a bus rapid transit system and will reserve a portion of wagons for women only. Researchers will evaluate the impact of...

Colombia used lotteries to distribute vouchers which partially covered the cost of private secondary school for students who maintained satisfactory academic progress. Three years after the lotteries, winners were about 10 percentage points more likely to have finished 8th grade, primarily because...

To understand the causal impact of poverty reduction on children’s health, nutrition, sleep, and healthcare utilization, among other outcomes, researchers randomly assigned new mothers to receive an unconditional cash transfer of $333 (high-cash group) or $20 per month (low-cash group) in the Baby’s...

In Senegal, researchers are testing a new contract arrangement between farmers and cooperatives that includes credit, training, and a price premium for certified low-aflatoxin groundnuts on farmers’ decisions to adopt Aflasafe, aflatoxin levels, and output sales.

Researchers collaborated with Uber in Egypt to assess the impacts of expanding access to its ride services through price on the demand for ride-hailing and overall consumer mobility. Lowering the price of ride-hailing services increased people’s use of Uber and overall consumer mobility.

In Kenya, researchers assessed the impact of training farmers to verify seed quality on their seed purchasing decisions and productivity, and the responses of seed markets to these changes. Trained farmers became better able to detect seed quality, more selective about where they bought seeds, and...