AEA RCT Registry currently lists 12267 studies with locations in 170 countries.
Maternal and child health indicators in Senegal have shown limited progress in the past decades. The current standard prenatal supplement in Senegal, iron-folic acid (IFA), has been shown to decrease the incidence of low birthweight by as much as 21%, and neonatal mortality by 27%, relative to a control group when all 180 doses are taken (Srivastava et al., 2025). However, in 2019, just 66% of women in Senegal took at least 90 doses of IFA during their last pregnancy (Nutrition International, 2025). Maternal micronutrient supplementation (MMS) is now the WHO-recommended prenatal supplement, shown to have even better outcomes than IFA. However, as governments designate MMS as the standard of care, attention must be paid to boost demand such that MMS does not face the same insufficient de...
The main objective of this project is to study how perceptions of tax compliance affect preferences for the degree of progressivity of the personal income tax. Using a large-scale survey experiment in Spain, we test whether providing individuals with information about the actual level of tax compliance reduces their bias on this dimension and changes their demand for tax progressivity. In particular, we examine whether information about the differences in compliance levels between the very rich and the rest of the population alters preferences for the tax burden on each group.
This study uses a randomized controlled experiment to test whether government-issued text messages that invite taxpayer input on public spending can improve property tax compliance among registered property owners in Nairobi County, Kenya. Before the tax deadline, the relevant tax and government authority sends two rounds of SMS messages to property owners randomly assigned to one of two treatment groups: a payment reminder that also invites them to indicate which local spending category should receive funding priority, or the same payment reminder without the invitation. A control group receives no message. Tax compliance is measured using administrative payment records (any payment, amount paid, share of bill paid). After the deadline, both treatment groups receive a single SMS elicit...
This project uses a survey and RCT to assess wildfire resilience among British Columbia residents, recruiting a representative sample of adults in forested and interface areas.
A team led by Johns Hopkins Bloomberg School of Public Health (JHU) won a competitive bidding process to lead an evaluation of Marie Stopes International's (MSI) Step-Up Program in Nigeria and the Democratic Republic of the Congo (DRC). Step-Up aims to accelerate the demographic dividend in West Africa and embed nationally owned, gender-transformative models to achieve expanded, locally driven, equitable, efficient, sustainable and & gender- transformative SRHR sector. Through this investment, there is an opportunity to have a substantial impact on family planning and reproductive health outcomes most immediately, and broader health and development goals as well. The team also includes experts in evaluation from Columbia University and the University of Illinois, Urbana-Champaign; and...
As global temperatures rise, Sub-Saharan Africa will experience increasingly frequent and severe droughts. Pastoralists, who depend almost entirely on livestock and rain-fed vegetation for their livelihoods, are among the most exposed to these climatic shifts. For these often-nomadic communities, worsening drought conditions threaten not only their primary income source but also their food security and long-term wellbeing. In response, Index Based Livestock Insurance (IBLI) was introduced as a commercial insurance product in 2009 to shield vulnerable households from aggregate climate risk. Using an IV strategy that exploits the randomized distribution of discount coupons, this paper examines the impact of IBLI on nine proxies of climate resilience across 1,619 pastoralist households in ...
We use a randomised controlled trial to investigate how different types of information (generic vs. idiosyncratic) shape individuals' inflation expectations and expectations about the prices individuals pay for the goods and services they purchase. The project also examines how changes in expectations due to information treatments affect consumption and saving plans, as well as related macroeconomic expectations. It further studies cross-learning between types of information and inflation expectations, as well as expectations about the prices individuals pay for the goods and services they purchase.
In this study we aim to estimate the consumer demand curve for off-net (“interoperable”) payments, by randomizing the price that consumers face for off-net payments, within an FSP's digital payments apps, with users of the Philippines' instant retail payment switch, InstaPay. An experimentally-generated estimate of demand would be informative for a number of purposes, including for FSPs’ own pricing decisions, and for pricing regulation decisions by policymakers. The demand curve can also be inverted to generate an aggregate estimate of consumer welfare from access to off-net payments, identified with experimental variation in a real-stakes, field setting. We will also study spillovers of instant payments usage on other financial inclusion behaviors, including other payments channels, a...
Youth-employment and entrepreneurship programs in low- and middle-income countries (LMICs) routinely deliver programs, including grants and credit, through groups (self-formed or program-assigned). What such grouping creates economies of scale, such grouping and joint ventures can be prone to free-riding while entailing significant coordination costs. The size of this hidden “tax”, what we call the cost of grouping, is currently unknown, as is the cost of assignment (the additional welfare loss when the program, rather than the recipient, picks the partners). This study uses an incentivized double-bounded dichotomous-choice (DBDC) experiment to estimate three demand curves, individual, self-formed group, and program-assigned group, in the same currency as the transfer itself (Ethiopian ...
We conduct an online experiment on Prolific to measure the willingness-to-pay to discriminate against female coworkers, using the price-of-prejudice paradigm of Hedegaard and Tyran (2018). We add a treatment of hidden productivity to highlight the differences between taste-based and statistical discrimination. This document pre-registers the hypotheses, estimation strategy, and power analysis.