Evaluations

Researchers partnered with the tax authority in Belgium to understand what types of messages drive people to comply with their taxes. Results show that simplified messages, as well as messages that highlighted the consequences of non-compliance, induced people to file and pay their taxes sooner. On...

In partnership with the Ministry of Education of Afghanistan, researchers are conducting a randomized evaluation to study whether mobile salary payments (MSPs) improve learning by increasing teacher attendance and morale.

Researchers evaluated the impacts of a $68 million infrastructure investment program in Mexico on urban residents’ access to infrastructure, property values, private investment, moving rates, and community cohesion. The study found that access to infrastructure and property values improved in...

In partnership with Concern Worldwide, researchers examined the relative effectiveness of traditional versus mobile cash transfers in Niger. Households who received electronic transfers had more diverse diets than those who received traditional cash transfers, in part due to time savings and shifts...

In partnership with the Chilean National Fish Service (Sernapesca), researchers conducted a randomized evaluation to test the impact of enforcement visits to fish markets and a consumer information campaign on the illegal sale of hake fish. They found that both the information campaign and...

Researchers evaluated the impact of encouraging citizen monitoring on the 2019 mayoral elections in Colombia. The intervention resulted in higher reports from citizens and a reduction in observed irregularities in the election.

Researchers are conducting an evaluation that randomized the provision of information in a survey to improve the likelihood that citizens paid their municipal property taxes and understood the role that unequal tax burdens played in determining the likelihood of people paying their full tax burden...

Researchers evaluated the role of reciprocity in increasing voter turnout through voter mobilization calls by varying whether an initial phone call included a plausible sign of good will by the campaign—an offer to follow up reminding them to vote.