working papers and work in progress
More Learning than Doing: An Experiment on Agricultural Innovation through Networks in an African Village, joint with Rute M. Caeiro and Paulo Santos
On the Political Economy of Urbanization: Experimental Evidence from Mozambique, joint with Alex Armand, Frederica Mendonça, and Wayne A. Sandholtz
Tax Morale, Public Goods, and Politics: Experimental Evidence from Mozambique, joint with Wayne A. Sandholtz
Does Voting Build Democracy? Evidence from Community Deliberation in Mozambique, joint with Alex Armand, Maren Borne, Alexander Coutts, and Inês Vilela
Selecting Traditional Healers for Formal Health Provision?, joint with Brais Álvarez-Pereira, Mattia Fracchia, and Teresa Molina-Millán
Countering Islamic Radicalization in Northern Mozambique: Radio, joint with Alex Armand and Inês Vilela
Belief Systems and Health Behavior in Guinea-Bissau, joint with Brais Álvarez-Pereira, Alexander Coutts, and Teresa Molina-Millán
Follow the Leader: Community-based Health Insurance in West Africa, joint with Rute M. Caeiro, Alexander Coutts, and Teresa Molina-Millán
Urbanization Meets the Environment in a Mozambican City, joint with Stefan Leeffers, Caroline Miehe, and Jacob Macdonald
Introducing Property Rights and Local Taxation in an African Country, joint with Wayne A. Sandholtz
Are Traditional Healers Effective as Formal Health Providers?, joint with Brais Álvarez-Pereira, Mattia Fracchia, and Teresa Molina-Millán
Countering Islamic Radicalization in Northern Mozambique: Madrassas, joint with Flávio Cunha and Inês Vilela
Main publications
Is Mobile Money Changing Rural Africa? Evidence from a Field Experiment, joint with Cátia Batista
Review of Economics and Statistics, accepted for publication
See column at voxdev
Mobilizing Parents at Home and at School: An Experiment on Primary Education in Angola, joint with Vincenzo Di Maro, Stefan Leeffers, and Danila Serra
Economic Development and Cultural Change, , 2024, 72(3), pp. 1069-1116
See column at globaldev
Appendix
Let’s Call! Using the Phone to Increase Vaccine Acceptance, joint with Alex Armand and Mattia Fracchia
Health Economics, 2024, 33(1), pp. 82-106
Can Technology Improve the Classroom Experience in Primary Education? An African Experiment on a Worldwide Program, joint with Joana Cardim and Teresa Molina-Millán
Journal of Development Economics, 2023, 164, 103145
See column at voxdev
Motivating Volunteer Health Workers in an African Capital City, joint with Mattia Fracchia and Teresa Molina-Millán
Journal of Development Economics, 2023, 163, 103096
Measuring Corruption in the Field Using Behavioral Games, joint with Alex Armand, Alexander Coutts, and Inês Vilela
Journal of Public Economics, 2023, 218, 104799
Appendix
Closing the Gender Profit Gap?, joint with Cátia Batista and Sandra Sequeira
Management Science, 2022, 68(12), pp. 8553–8567
See column at voxdev
Keep It Simple: A Field Expe100riment on Information Sharing among Strangers, joint with Cátia Batista and Marcel Fafchamps
World Bank Economic Review, 2022, 36(4), pp. 857-888
Preventing Islamic Radicalization: Experimental Evidence on Anti-social Behavior, joint with Inês Vilela
Journal of Comparative Economics, 2022, 50(2), pp. 474-485
Appendix
COVID-19 Vaccine Acceptance and Hesitancy in Low and Middle Income Countries, and Implications for Messaging, joint with Julio S. Solis Arce et al.
Nature Medicine, 2021, doi.org/10.1038/s41591-021-01454-y
Information, Get-out-the-vote Messages, and Peer Influence: Causal Effects on Political Behavior in Mozambique, joint with Matilde Grácio
Journal of Development Economics, 2021, 151, 102665
Appendix
Can ATMs Get Out the Vote? Evidence from a Nationwide Field Experiment, joint with João Pereira dos Santos and José Tavares
European Economic Review, 2021, 134, 103691
Appendix
Does Information Break the Political Resource Curse? Experimental Evidence from Mozambique, joint with Alex Armand, Alexander Coutts, and Inês Vilela
American Economic Review, 2020, 110(11), pp. 3431-3453
See column at globaldev
Appendix
Adopting Mobile Money: Evidence from an Experiment in Rural Africa, joint with Cátia Batista
American Economic Association Papers and Proceedings, 2020, 110, pp. 594–598
Improving Access to Savings through Mobile Money: Experimental Evidence from African Smallholder Farmers, joint with Cátia Batista
World Development, 2020, 129, 10490
Knowledge of Vitamin A Deficiency and Crop Adoption: Evidence from a Field Experiment in Mozambique, joint with Rute Caeiro
Agricultural Economics, 2020, 51(2), pp. 175-190
Appendix
Voting and Peer Effects: Experimental Evidence from Mozambique, joint with Marcel Fafchamps and Ana Vaz
Economic Development and Cultural Change, 2020, 68(2), pp. 567-605
See column at voxeu.org
Do Migrant Social Networks Shape Political Attitudes and Behavior at Home?, joint with Cátia Batista and Julia Seither
World Development, 2019, 117, pp. 328-343
See mention by The Economist
Foreign Aid Preferences and Perceptions in Donor Countries, joint with Daniel Kaufmann and Eoin McGuirk
Journal of Comparative Economics, 2019, 47(3), pp. 601-617
Does Electoral Observation Influence Electoral Results? Experimental Evidence for Domestic and International Observers in Mozambique, joint with Stefan Leeffers
World Development, 2019, 114, pp. 42-58
Return Migration, Self-selection, and Entrepreneurship, joint with Cátia Batista and Tara McIndoe-Calder
Oxford Bulletin of Economics and Statistics, 2017, 79(5), pp. 797-821
See mention by The Economist
Is Information Power? Using Mobile Phones and Free Newspapers during an Election in Mozambique, joint with Jenny Aker and Paul Collier
Review of Economics and Statistics, 2017, 99(2), pp. 185-200
See mention at The Guardian
See mention at TIME magazine
Appendix
Is Vote-buying Effective? Evidence from a Field Experiment in West Africa
Economic Journal, 2014, 124(574), pp. 356-387
See mention by the Wall Street Journal
Appendix
Votes and Violence: Evidence from a Field Experiment in Nigeria, joint with Paul Collier
Economic Journal, 2014, 124(574), pp. 327-355
See column at voxeu.org
See mention at the Wall Street Journal
Political Violence and Social Networks: Experimental Evidence from a Nigerian Election, joint with Marcel Fafchamps
Journal of Development Economics, 2013, 101, pp. 27-48
Violence, Bribery, and Fraud: The Political Economy of Elections in Sub-Saharan Africa, joint with Paul Collier
Public Choice, 2012, 153(1-2), pp. 117-147
Testing the ‘Brain Gain’ Hypothesis: Micro Evidence from Cape Verde, joint with Cátia Batista and Aitor Lacuesta
Journal of Development Economics, 2012, 97(1), pp. 32-45
See mention by The Economist
Do Migrants Improve Governance at Home? Evidence from a Voting Experiment, joint with Cátia Batista
World Bank Economic Review, 2011, 25(1), pp. 77-104
Legal Corruption, joint with Daniel Kaufmann
Economics and Politics, 2011, 23(2), pp. 195-219
Does Oil Corrupt? Evidence from a Natural Experiment in West Africa
Journal of Development Economics, 2010, 92(1), pp. 28-38
Clientelism and Vote Buying: Lessons from Field Experiments in African Elections, joint with Leonard Wantchekon
Oxford Review of Economic Policy, 25(2), pp. 292-305
other publications
Clusters of Bicycle Taxi Operators and their Main Service Operation Patterns: Case Study of Quelimane, Mozambique, joint with Classio Mendiate, Alphonse Nkurunziza, and Frederica Mendonça, East African Journal of Science, Technology and Innovation, 2022, 3(3), https://doi.org/10.37425/eajsti.v3i3.497
International Migration and Social Network Spillovers of Political Norms, joint with Cátia Batista and Julia Seither, in L. Brites Pereira, M. E. Mata, and M. Rocha de Sousa, 2020, Economic Globalization and Governance – Essays in Honor of Jorge Braga de Macedo, Springer
International Migration and the Transfer of Political Norms: Examples from Cape Verde and Mozambique, joint with Cátia Batista and Julia Seither, in L. Chauvet, F. Gubert, T. Jaulin, and S. Mesplé-Somps, 2018, Les Migrants, Acteurs des Changements Politiques en Afrique?, DeBoeck Supérieur
Oil, Corruption, and Vote-buying: A Review of the Case of Sao Tome and Principe, in S. Rose-Ackerman and T. Soreide, 2011, International Handbook on the Economics of Corruption, Volume II, Edward Elgar Publishing
Empirical Considerations about Brain Drain, joint with Catia Batista and Aitor Lacuesta, Moneda y Crédito, 2008, 226, pp. 33-71
A Theory of Corruption, Political Exclusion, and Windfalls, in M. Gradstein and K. Konrad (2007), Institutions and Norms in Economic Development, MIT Press
Review of C. Sampford, A. Shacklock, C. Connors, and F. Galtung (Eds), Measuring Corruption, Global Crime, 8(1), February 2007, pp. 101-104