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Designing Experiments to Measure Spillover Effects

Author

Listed:
  • Sarah Baird

    () (Department of Economics/Institute for International Economic Policy, George Washington University)

  • Aislinn Bohren

    () (University of Pennsylvania)

  • Berk Ozler

    () (World Bank and University of Otago)

  • Craig McIntosh

    () (University of California, San Diego)

Abstract

This paper formalizes the design of experiments intended specifically to study spillover effects. By first randomizing the intensity of treatment within clusters and then randomly assigning individual treatment conditional on this cluster-level intensity, a novel set of treatment effects can be identified. We develop a formal framework for consistent estimation of these effects, and provide explicit expressions for power calculations. We show that the power to detect average treatment effects declines precisely with the quantity that identifies the novel treatment effects. A demonstration of the technique is provivded using a cash transfer program in Malawi.

Suggested Citation

  • Sarah Baird & Aislinn Bohren & Berk Ozler & Craig McIntosh, 2014. "Designing Experiments to Measure Spillover Effects," Working Papers 2014-11, The George Washington University, Institute for International Economic Policy.
  • Handle: RePEc:gwi:wpaper:2014-11
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    References listed on IDEAS

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    Cited by:

    1. Hassan, Fadi & Lucchino, Paolo, 2016. "Powering education," LSE Research Online Documents on Economics 67673, London School of Economics and Political Science, LSE Library.
    2. Todd D. Gerarden & Richard G. Newell & Robert N. Stavins, 2017. "Assessing the Energy-Efficiency Gap," Journal of Economic Literature, American Economic Association, vol. 55(4), pages 1486-1525, December.
    3. Huber, Martin & Steinmayr, Andreas, 2017. "A Framework for Separating Individual Treatment Effects From Spillover, Interaction, and General Equilibrium Effects," Rationality and Competition Discussion Paper Series 21, CRC TRR 190 Rationality and Competition.
    4. Mueller, Valerie & Billings, Lucy & Mogues, Tewodaj & Peterman, Amber & Wineman, Ayala, 2015. "Filling the legal void? Experimental evidence from a community-based legal aid program for gender-equal land rights in Tanzania:," IFPRI discussion papers 1434, International Food Policy Research Institute (IFPRI).
    5. Gordon B. Dahl & Katrine V. L?ken & Magne Mogstad, 2014. "Peer Effects in Program Participation," American Economic Review, American Economic Association, vol. 104(7), pages 2049-2074, July.
    6. Manuela Angelucci & Silvia Prina & Heather Royer & Anya Samek, 2015. "When Incentives Backfire: Spillover Effects in Food Choice," Framed Field Experiments 00444, The Field Experiments Website.
    7. Julie Le Gallo & Yannick L'Horty & Pascale Petit, 2014. "Does subsidising young people to learn to drive promote social inclusion? Evidence from a large controlled experiment in France," Working Papers halshs-01100332, HAL.
    8. Goux, Dominique & Gurgand, Marc & Maurin, Eric, 2014. "Adjusting Your Dreams? The Effect of School and Peers on Dropout Behaviour," IZA Discussion Papers 7948, Institute for the Study of Labor (IZA).
    9. Todd D. Gerarden & Richard G. Newell & Robert N. Stavins & Robert C. Stowe, 2015. "An Assessment of the Energy-Efficiency Gap and Its Implications for Climate Change Policy," Working Papers 2015.28, Fondazione Eni Enrico Mattei.
    10. RyokoSato & Yoshito Takasaki, 2016. "Peer Effects on Vaccination: Experimental Evidence from Rural Nigeria," CIRJE F-Series CIRJE-F-1002, CIRJE, Faculty of Economics, University of Tokyo.
    11. Ainhoa Aparicio-Fenoll & Veruska Oppedisano, 2016. "Should I stay or should I go? Sibling effects in household formation," Review of Economics of the Household, Springer, vol. 14(4), pages 1007-1027, December.
    12. Casaburi, Lorenzo & Reed, Tristan, 2017. "Competition in Agricultural Markets: An Experimental Approach," CEPR Discussion Papers 11985, C.E.P.R. Discussion Papers.
    13. Chong, Alberto & Cohen, Isabelle & Field, Erica & Nakasone, Eduardo & Torero, Maximo, 2014. "Are There Nutrient-based Poverty Traps? Evidence on Iron Deficiency and Schooling Attainment in Peru," MPRA Paper 61301, University Library of Munich, Germany.
    14. Christopher Ksoll & Kristine Bos & Arif Mamun & Anthony Harris & Sarah Hughes, "undated". "Evaluation Design Report for the Benin Power Compact's Electricity Generation Project and Electricity Distribution Project," Mathematica Policy Research Reports 9f8974513ee745aaac3b5c62e, Mathematica Policy Research.
    15. Baylis, Kathy & Ham, Andres, 2015. "How important is spatial correlation in randomized controlled trials?," 2015 AAEA & WAEA Joint Annual Meeting, July 26-28, San Francisco, California 205586, Agricultural and Applied Economics Association;Western Agricultural Economics Association.
    16. Pascaline Dupas & Edward Miguel, 2016. "Impacts and Determinants of Health Levels in Low-Income Countries," NBER Working Papers 22235, National Bureau of Economic Research, Inc.
    17. Carranza,Eliana & Meeks,Robyn, 2016. "Shedding light : understanding energy efficiency and electricity reliability," Policy Research Working Paper Series 7891, The World Bank.
    18. Susan Athey & Dean Eckles & Guido W. Imbens, 2015. "Exact P-values for Network Interference," NBER Working Papers 21313, National Bureau of Economic Research, Inc.
    19. Manuela Angelucci & Vincenzo Di Maro, 2010. "Program Evaluation and Spillover Effects," SPD Working Papers 1003, Inter-American Development Bank, Office of Strategic Planning and Development Effectiveness (SPD).
    20. Jacopo Bonan & Pietro Battiston & Jaimie Bleck & Philippe LeMay-Boucher & Stefano Pareglio & Bassirou Sarr & Massimo Tavoni, 2017. "Social Interaction and Technology Adoption: Experimental Evidence from Improved Cookstoves in Mali," Working Papers 2017.47, Fondazione Eni Enrico Mattei.
    21. Bobba, Matteo & Gignoux, Jérémie, 2016. "Neighborhood Effects in Integrated Social Policies," TSE Working Papers 16-662, Toulouse School of Economics (TSE), revised Aug 2016.
    22. Arthur Alik-Lagrange & Martin Ravallion, 2016. "Social Frictions to Knowledge Diffusion: Evidence from an Information Intervention," NBER Working Papers 21877, National Bureau of Economic Research, Inc.
    23. repec:eee:wdevel:v:97:y:2017:i:c:p:330-348 is not listed on IDEAS
    24. Abhijit Banerjee & Sylvain Chassang & Erik Snowberg, 2016. "Decision Theoretic Approaches to Experiment Design and External Validity," NBER Working Papers 22167, National Bureau of Economic Research, Inc.

    More about this item

    Keywords

    Experimental Design; Networks; Cash Transfers;

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • O22 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy - - - Project Analysis
    • I25 - Health, Education, and Welfare - - Education - - - Education and Economic Development

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