Publication Registries

Google Scholar: Profile
Web of Science Researcher ID: D-1285-2018
ORCID: 0000-0003-0830-6429
Scopus ID: 56090418600

Research Video

A video about my research on the impact of the Ethiopian health extension program and health development army on maternal mortality.

Publications and Forthcoming Articles

• Pacheco Miranda, J. & N. Wagner (2023). Long-term impacts of an early childhood shock on human capital: Evidence from the 1999 economic crisis in Ecuador. Health Economics, 32(11): 2460-2476. doi: 10.1002/hec.4742.
• Zarepour, Z. & N. Wagner (2023). How manufacturing firms respond to energy subsidy reforms? An impact assessment of the Iranian Energy Subsidy Reform. Energy Economics, 124:106762. doi: 10.1016/j.eneco.2023.106762.
• Pham Khanh, N., B. Restrepo, M. Rieger, & N. Wagner (2023). Can Information Enhanced with Nudges Mitigate Childhood Overweight in the Global South?. Journal of Human Resources, 58(3). doi: 10.3368/jhr.0821-11827R2.
• Ongudi, S., D. Thiam & N. Wagner (2023). Public Transfers and Crowding-In and -Out of Private Transfers: Experimental Evidence from Kenya. World Development Perspectives, 31:100524. doi: 10.1016/j.wdp.2023.100524.
• Arsel, M., B.A. Demena, A. Floridi, G.M. Gomez , G. Haile, A. Kalfagianni, F. Mukhtarov, S.M. Murshed, E. Papyrakis, L. Pellegrini, M. Rieger, Z. Shigute, G.J.A. Uzín, R. vd Hoeven, R. Vos & N. Wagner (2023). International Collaboration in Times of Pandemics: An Urgent Need for Reforming our Global Financial System. Progress in Development Studies, 23(3): 338-343. doi: 10.1177/14649934231157238.
• Flomo, A.Z.B., E. Papyrakis & N. Wagner (2023). Evaluating the economic effects of the Ebola virus disease in Liberia: A Synthetic Control Approach. Journal of International Development, 35(6): 1478-1504. doi: 10.1002/jid.3736.
• Al Husein, N. & N. Wagner (2023). Determinants of intended return migration among refugees: A comparison of Syrian refugees in Germany and Turkey. International Migration Review, 57(4), 1771-1805. doi: 10.1177/01979183221142780.
• A.Floridi, A., B.A. Demena & N. Wagner (2022). A game worth the candle? Meta-analysis of the effects of formalization on firm performance. Journal of Developmental Entrepreneurship, 27(4): 2250026. doi: 10.1142/S1084946722500261.
• Zarepour, Z. & N. Wagner (2022). Cash instead of subsidy: Assessing the impact of the Iranian energy subsidy reform on households. Energy Policy, 168:113145. doi: 10.1016/j.enpol.2022. 113145.
• Hout, W, N. Wagner & B.A. Demena (2022). Does Accountability Enhance Service Delivery? Assessment of a Local Scorecard Initiative in Uganda. World Development, 158: 106011. doi: 10.1016/j.worlddev.2022.106011.
• Misha, F., S.S. Shahed, N. Wagner, A. Bedi (2022). Building resilience in the chars of Bangladesh: An impact assessment. Journal of International Development. doi: 10.1002/jid.3653.
• Tasciotti, L., F. Sulehria & N. Wagner (2022). Fertility, electricity and television: Is there a link? Evidence from Pakistan, 1990-2012. Journal of Demographic Economics, 1-28. doi:  10.1017/dem.2022.6.
• Demena, B.A., A. Floridi, & N. Wagner (2022). The Short-Term Impact of COVID-19 on Labour Market Outcomes: Comparative Systematic Evidence. In: Papyrakis, E. (Ed.). COVID-19 and International Development. Chapter 6: 71-88. Springer.
• Wagner, N. (2022). Indirect Health Effects Due to COVID-19: An Exploration of Potential Economic Costs for Developing Countries. In: Papyrakis, E. (Ed.). COVID-19 and International Development. Chapter 8: 103-118. Springer.
• Wagner, N., M. Rieger, A. Bedi, J. Vermeulen & B.A. Demena (2021). The impact of off-grid solar home systems in Kenya on energy consumption and expenditures. Energy Economics, 99: 105314. doi: 10.1016/j.eneco.2021.105314.
• Floridi, A., B.A. Demena & N. Wagner (2021). The bright side of formalization policies! Meta-analysis of the benefits of policy-induced versus self-induced formalization. Applied Economics Letters. doi: 10.1080/13504851.2020.1870919.
• Floridi, A., B.A. Demena & N. Wagner (2020). Shedding light on the shadows of informality: A meta-analysis of formalization interventions targeted at informal firms. Labour Economics, 67: 101925. doi: 10.1016/j.labeco.2020.101925.
• Geldof, M., B.A. Thiombiano & N. Wagner (2020). When I receive the SMS, it is a sign of love: Symbolic connotations of SMS messages for People living with HIV in Burkina Faso. AIDS Care. doi: 10.1080/09540121.2020.1769832.
• Artavia-Mora, L., N. Wagner, B.A. Thiombiano & A. Bedi (2020). Adaptation and biomedical transition of people living with HIV to antiretroviral treatment in Burkina Faso. Global Public Health: An International Journal for Research, Policy and Practice. 15(5): 638-653. doi: 10.1080/17441692.2019.1704819.
• Wagner, N., W. Hout & R. Namara (2020). Improving police integrity in Uganda: Impact assessment of the Police Accountability and Reform Project. Review of Development Economics. 24(1): 62-83. doi: 10.1111/rode.12643.
• Demena, B.A., L. Artavia-Mora, D. Ouedraogo, B.A. Thiombiano & N. Wagner (2020). A systematic review of mobile phone interventions (SMS/IVR/calls) to improve adherence and retention to antiretroviral treatment in low- and middle-income
  countries. Aids Patient Care and STDs. 34(2): 59-71. doi: 10.1089/apc.2019.0181.
• Howell, R., K. Mani Sinha, N. Wagner, N. van Doorn & C. van Beers (2020). Consumption of bottled water at the bottom of the pyramid: Who purchases first?. Journal of
  Macromarketing. 40(1): 31-50. doi: 10.1177/0276146719866890.
• Wagner, N. & W. Hout (2019). Police integrity and the perceived effectiveness of policing: Evidence from a survey among Ugandan police officers. In “Exploring Police Integrity” by Kutnjak Ivkovich, S. & M.R. Haberfeld (Eds.), Springer.
• Rieger, M., N. Wagner, A.D. Mebratie, G. Alemu & A. Bedi (2019). The impact of the Ethiopian health extension program and health development army on maternal mortality: A synthetic control approach. Social Science & Medicine. 232: 374-381. doi 10.1016/j.socscimed.2019.05.037.
• Wagner, N., S. Quimbo, R. Shimkhada & J. Peabody (2018). Does health insurance coverage or improved quality protect better against out-of-pocket payments? Experimental evidence from the Philippines. Social Science & Medicine. 204: 51-58. doi: 10.1016/j.socscimed.2018.03.024.
• Wagner, N. & L. Tasciotti (2018). Urban agriculture, dietary diversity and child health in a sample of Tanzanian town-folk. Canadian Journal of Development Studies/Revue canadienne d’études du développement. 39(2): 234-251. doi: 10.1080/02255189.2017. 1375902.
• Tasciotti, L. & N. Wagner (2018). How much should we trust micro-data? A comparison of the socio-demographic profile of Malawian households using Census, LSMS and DHS data. European Journal of Development Research. 30(4): 588-612. doi: 10.1057/s41287-017-0083-6.
• Wagner, N., M. Rieger, A.S. Bedi & W. Hout (2017). Gender and policing norms: Evidence from survey experiments among police officers in Uganda. Journal of African Economies. 26(4): 492-515. doi: 10.1093/jae/ejx014.
• Rieger, M., N. Wagner & A. Bedi (2017). Universal health coverage at the macro level: Synthetic control evidence from Thailand. Social Science & Medicine, 172C, 46-55. doi: 10.1016/j.socscimed.2016.11.022.
• Mbaye, L. & N. Wagner (2017). Bride price and fertility decisions: Evidence from rural Senegal. Journal of Development Studies. 53(6): 891-910. doi: 10.1080/00220388.2016. 1208178.
• Wagner, N., D. Ouedraogo, L.D. Artavia-Mora, A.S. Bedi & B.A. Thiombiano (2016). Protocol for a randomized controlled trial evaluating mobile text messaging to promote retention and adherence to antiretroviral therapy for People living with HIV in Burkina Faso. JMIR Research Protocols, 5(3): e170. doi: 10.2196/resprot.5823.
• Lazzaroni, S. & N. Wagner (2016). Misfortunes never come singly: Structural change, multiple shocks and child malnutrition in rural Senegal. Economics and Human Biology. 23, 246-262. doi: 10.1016/j.ehb.2016.10.006.
• Wagner, N., M. Rieger & K.J. Voorvelt (2016). Gender, ethnicity and teaching evaluations: Evidence from mixed teaching team. Economics of Education Review. 54, 79-94. doi: 10.1016/j.econedurev.2016.06.004.
• Rieger, M. & N. Wagner (2016). Polygyny and child health revisited (Letter). Proceedings of the National Academy of Sciences of the United States of Amerika. 113(13): E1769-E1770. doi: 10.1073/pnas.1600882113.
• Arcand, J.-L. & N. Wagner (2016). Does community driven development improve inclusiveness in peasant organizations? — Evidence from Senegal. World Development. 78, 105-124. doi: 10.1016/j.worlddev.2015.10.016.
• Quimbo, S., N. Wagner, J. Florentino, O. Solon & J. Peabody (2016). Do health reforms to improve quality have long-term effects? Results of a follow-up on a randomized policy experiment in the Philippines. Health Economics. 25(2): 165-177. doi: 10.1002/hec.3129.
• Wagner, N. (2015). Female genital cutting and long-term health consequences — Nationally representative estimates across 13 countries. Journal of Development Studies. 51 (3), 226-246. doi: 10.1080/00220388.2014.976620.
• Rieger, M. & N. Wagner (2015). Child health, its dynamic interaction with nutrition and health memory — Evidence from Senegal. Economics and Human Biology. 16, 135-145. doi: 10.1016/j.ehb.2014.03.001.
• Wagner, N. & M. Rieger (2015). Polygyny and child growth: Evidence from 26 African countries. Feminist Economics. 21(2): 105-130. doi: 10.1080/13545701.2014.927953.
• Carbonnier, G. & N. Wagner (2015). Resource dependence and armed violence: Impact on sustainability in developing countries. Defence & Peace Economics. 26(1): 115-132. doi: 10.1080/10242694.2013.848580.
• Tasciotti, L. & N. Wagner (2015).  Urban agriculture and dietary diversity: Empirical evidence from Tanzania. European Journal of Development Research. 27(5): 631-649. doi: 10.1057/ejdr.2014.38.
• Wagner, N., J. Arcand, S. Cheikho & P.A. Diallo (2014). HIV/AIDS sensitization and peer-mentoring: Evidence from a randomized experiment in Senegal. Journal of Development Effectiveness. 6(2): 147-166. doi: 10.1080/19439342.2014.906486.