Experimentation at Scale
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This paper makes the case for greater use of randomized experiments “at scale.” We review various critiques of experimental program evaluation in developing countries, and discuss how experimenting at scale along three specific dimensions—the size of the sampling frame, the number of units treated, and the size of the unit of randomization— can help alleviate the concerns raised. We find that program-evaluation randomized controlled trials published over the last 15 years have typically been “small” in these senses, but also identify a number of examples—including from our own work— demonstrating that experimentation at much larger scales is both feasible and valuable.
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Results from RCTs are not always scalable to larger, aggregated levels because market responses and spillovers are largely absent at the small scale of the experiments.
“the results from RCTs are not always scalable to larger, aggregated levels because market responses and spillovers are largely absent at the small scale of the experiments ( 44 , 45 ).”
From Environmental impacts of genetically modified crops (2024) · cites this paper as [44]
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- Authors
- Muralidharan, K., & Niehaus, P.
- Affiliations
- National Bureau of Economic Research (US)
- Venue
- Journal of Economic Perspectives
- Publisher
- American Economic Association
- Published
- 2017-11-01
- Volume
- 31
- Issue
- 4
- Pages
- 103-124
- ISSN
- 0895-3309 (ISSN-L)
- OpenAlex
- W2766046948
- Cited by
- 194
- References
- 24
- Citations by year
- 2026: 15 · 2025: 17 · 2024: 27 · 2023: 24 · 2022: 23 · 2021: 28 · 2020: 31 · 2019: 18 · 2018: 8 · 2017: 3
- FWCI
- 11.79
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The Journal of Economic Perspectives (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Topics
- Physical Sciences › Mathematics › Statistics and Probability › Advanced Causal Inference Techniques
- Social Sciences › Decision Sciences › Management Science and Operations Research › Evaluation and Performance Assessment
- Social Sciences › Safety Research › Poverty, Education, and Child Welfare
- Keywords
- randomized controlled trials, experimental program evaluation, developing countries
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