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Research resource
Pre-analysis plans
A pre-analysis plan (PAP) describes how researchers plan to analyze the data from a randomized evaluation. It is distinct from the concept of pre-registration, which in economics is the act of registering a research project in a registry such as the AEA RCT Registry before the intervention begins...
Research resource
Randomization
Randomization for causal inference has a storied history. Controlled randomized experiments were invented by Charles Sanders Peirce and Joseph Jastrow in 1884. Jerzy Neyman introduced stratified sampling in 1934. Ronald A. Fisher expanded on and popularized the idea of randomized experiments and...
Research resource
Power calculations
This section is intended to provide an intuitive discussion of the rationale behind power calculations, as well as practical tips and sample code for conducting power calculations using either built-in commands or simulation. It assumes some knowledge of statistics and hypothesis testing. Readers...
Research resource
Introduction to measurement and indicators
The goal of measurement is to get reliable data with which to answer research questions and assess theories of change. Inaccurate measurement can lead to unreliable data, from which it is difficult to draw valid conclusions. This section covers key measurement concepts, means of data collection...
Blog
African scholars: Refine your randomized evaluation skills through the DigiFI Webinar Series
Local researchers often have a uniquely deep understanding of the context in which they work, which is key to developing well-grounded evaluations. The J-PAL Africa team, including DigiFI Africa led by Tavneet Suri, are committed to providing a mechanism for local African scholars to drive the...
Evaluation
Branchless Banking Agents’ Profile, Limitations, and Potential for Agent Network Expansion and Improvement”
Researchers conducted a randomized evaluation in East Java, Indonesia to investigate the impact of the level and transparency of financial incentives on the take-up of these new banking services. They found that larger incentives caused an increase in take-up, but only when the incentives were not publicized among the community. When incentives are made public, higher incentives instead have no effect on take-up, despite greater agent effort.
Person
Michael Callen
Michael Callen is an Associate Professor at the London School of Economics. His recent work uses experiments to identify ways to address accountability and service delivery failures in the public sector, working primarily in Afghanistan and Pakistan
Person
Alain de Janvry
Alain de Janvry is a Professor of Agricultural and Resource Economics at the University of California, Berkeley.
Blog
King Climate Action Initiative’s first round of projects: Testing and scaling climate solutions
J-PAL's King Climate Action Initiative announced the results of its first competition aimed at identifying innovative solutions at the intersection of poverty and climate change, serving as a critical first step in building a longer playbook of evidence-based and cost-effective climate change...
Blog
Taking action on state and local policy priorities
This past fall, the J-PAL North America State and Local Innovation Initiative hosted a series of webinars to discuss how state and local governments can use lessons from randomized evaluations to address these timely policy challenges. The initiative seeks to take action on the conversations from...
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Diversity, Equity, and Inclusion at J-PAL North America and Beyond
J-PAL North America is committed to testing strategies and developing resources to promote diversity, equity, and inclusion among their staff, network of researchers and partners, and underrepresented scholars in the economics field.
Person
Erica Field
Erica Field is the James B. Duke Distinguished Professor of Economics at Duke University specializing in the fields of Development Economics, Health Economics, and Economic Demography.
Blog
Strengthening Indonesia’s branchless banking agent network: Challenges and lessons from evidence
Read this recap of J-PAL SEA's Inclusive Financial Innovation Initiative's webinar on Banking the unbanked: The effects of agents’ financial incentives and transparency in increasing the take-up and usage of financial products.
Blog
State and local policy responses to COVID-19: Lessons from evidence
J-PAL North America has curated a set of randomized evaluations that tested specific policy options related to the social safety net, health, and education. Our goal is to provide actionable evidence to inform state and local leaders’ policy responses to challenges during the COVID-19 pandemic.
Blog
Covid-19-induced crises of hunger and poverty require bold, effective international response
The Biden Administration has affirmed its commitment to work with other countries and multilateral institutions to combat Covid-19 to advance global health security. We commend this spirit of partnership and we urge similar bold, evidence-informed global action to tackle the accompanying crises of...