Joshua Blumenstock
Chancellor’s Associate Professor, UC Berkeley
Joshua Blumenstock is a Chancellor’s Associate Professor at the U.C. Berkeley School of Information and the Goldman School of Public Policy. He is the Co-director of the Global Opportunity Lab and the Center for Effective Global Action. Blumenstock's research combines methods from computer science and empirical economics, with a focus on how novel data and technology can better address the needs of very poor and vulnerable populations. He has a Ph.D. in Information Science and a M.A. in Economics from U.C. Berkeley, and Bachelor’s degrees in Computer Science and Physics from Wesleyan University. He is a recipient of awards including the NSF CAREER award, the Intel Faculty Early Career Honor, and the U.C. Berkeley Chancellor's Award for Public Service. His work appears in general interest journals including Science, Nature, and PNAS, as well as prominent economics journals (e.g., American Economic Review, Review of Economic Studies) and computer science conferences (e.g., ICML, KDD, AAAI, WWW, CHI).
Recent work by Joshua Blumenstock
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When should big data and algorithms be used to determine programme eligibility?
Although machine learning models using mobile phone data can make poverty targeting faster and more cost-effective, traditional survey-based methods remain more accurate. The optimal approach therefore depends on striking the right balance between co...
Published 17.11.25
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Measuring poverty using mobile phone data: Implications for targeting and impact evaluation
In settings where reliable data on poverty is difficult to come by, non-traditional data sources such as mobile phone metadata has the potential to fill data gaps. New research on a cash transfer programme in Togo reveals that mobile phone data enabl...
Published 16.07.25
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What mobile data can tell us about religion in conflict zones
New research uses mobile phone transaction data to shed light on the nature of religious adherence in Afghanistan, revealing that religiously motivated insurgent violence reduces religiosity while climate-induced income shocks increase religiosity.
Published 30.04.25
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Building state capacity in fragile states: Evidence from Afghanistan
The Mobile Salary Payment (MSP) reform in Afghanistan was an ambitious effort to build administrative capacity in one of the world’s most fragile states. Evidence on its impacts sheds light on what helps to improve state performance, and how fragilit...
Published 28.01.25