I am the co-founder and Director of the Centre for Experimental Social Sciences (CESS) at Nuffield College University of Oxford.
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“Prevalence, predictors and reasons for COVID-19 vaccine hesitancy: results of a global online survey” (with Paolo Candio, Mara Violato, Philip M. Clarke, and Laurence S. J. Roope), Health Policy (August 2023).
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“How to detect heterogeneity in conjoint experiments” (with Thomas S. Robinson).
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Online Appendix
Replication Data
"Cash Versus Lottery Video Messages: Online COVID-19 Vaccine Incentives Experiment" (with Adrian Barnett, Maciej Filipek, Javier Espinosa-Brito, Laurence S. J. Roope, Mara Violato, and Philip M. Clarke), Oxford Open Economics (June 2023).
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"The COVID-19 Pandemic and Health-Related Quality of Life Across 13 High and Low-Middle Income Countries: a Cross-Sectional Analysis" (with Mara Violato, Jack Pollard, Andrew Lloyd, Laurence S. J. Roope, Matias Fuentes Becerra, and Philip M. Clarke), PLOS Medicine (April 2023).
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“A Randomized Controlled Trial to Test Financial Incentives for COVID-19 Vaccination in Ghana” (with Edward Asiedu, Ryota Nakamura, Thomas Rouyard, Carlos Yevenes, Laurence Roope, Mara Violato, and Philip Clarke), Nature Medicine (June 2022).
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“Reply to Timpka et al.: Perceived Corruption and Preferences for COVID-19 Vaccine Allocations” (with Thomas S. Robinson, Philip M. Clarke, and Mara Violato), Proceedings of the National Academy of Sciences (2022).
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“Polling India via Regression and Post-Stratification of Non-Probability Online Samples” (with Roberto Cerina), PLOS ONE (2021).
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Replication Data
“Is There Broad-Based Support in High-Income Countries for COVID-19 Vaccine Donation? Evidence from Seven Countries” (with Laurence Roope et al), Applied Health Economics and Health Policy (2021).
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“Gender Differences in Perceived Risk of COVID-19” (with Andrew Lewis), Social Science Quarterly (2021).
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“Who Should Be First in Line for the COVID-19 Vaccine? Surveys in 13 Countries of the Public’s Preferences for Prioritisation” (with Philip Clarke et al), Proceedings of the National Academy of Sciences (2021).
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Replication Data
"Artificially Intelligent Opinion Polling" (with Roberto Cerina), 2023.
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Replication Data
"Cash for COVID-19 Vaccines in Africa: A Financial Incentives Trial in Rural Ghana" (with Edward Asiedu, Ryota Nakamura, Thomas Rouyard, Alberto Mayol, Adrian Barnett, Laurence Roope, Mara Violato, Piotr Kotlarz, Dorcas Sowah, and Philip Clarke), 2023.
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“Government Audits of Municipal Corruption and Belief Updating: Experimental Evidence” (with Felipe Torres), 2022.
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“How to Detect Heterogeneity in Conjoint Experiments” (with Thomas Robinson), 2022.
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“Cash versus Lotteries: COVID-19 Vaccine Incentives Experiment” (with Barnett, Adrian and Filipek, Maciej and Roope, Laurence and Violato, Mara and Clarke, Philip), 2021.
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“Economic Beliefs and the Local Coronavirus Pandemic” (with Thomas Robinson and Peiran Jiao) 2020.
“Understanding Exponential Growth Amid Pandemic: An International Perspective” (with Alexander Podkul, Kevin DeLuca, Eduard Krkoska, Stephen Ansolabehere, Scott Tranter, and Liberty Vittert), 2020 [Under Review].
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“Pivotal Decision Making, Agenda Power and Collective Responsibility Attribution” (with Rodrigo Caputo), Working Paper, Nuffield Centre for Experimental Social Sciences, 2020 [Under Review].
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“The Moral Cost of Lying” (with Denise Laroze and Alexei Zakharov), Working Paper, Nuffield College Centre for Experimental Social Sciences, 2020 [Under Review].
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“U.S. Economic Policy and Consumer Sentiment” (with Rodrigo Caputo), Working Paper, Nuffield College Centre for Experimental Social Sciences, 2022 [Under Review].
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“Vacunación contra el COVID-19 en Colombia: opinión pública sobre su priorización y distribución”
with Juan Vargas, Shana Warren, Margarita Cabra, and Ana María Díaz
March 2021

“Documento de Trabajo N° 66: La arquitectura de elección mejora la selección de pensiones”
with Paulina Granados, Denise Laroze, Mauricio López, Marian Ormeño, and Ximena Quintanilla
January 2021