Publications

PEER REVIEWED PUBLICATIONS (*senior author)

1.     Zetianyu Wang, Renzhi Jing, Sam Heft-Neal, Aaron Clark-Ginsberg, Debarati Guha-Sapir, Eran Bendavid, Zachary Wagner* (2025). “The Impact of Tropical Cyclone Exposure on Infant Mortality in Low- and Middle-Income Countries”. Science Advances.

2.     Renzhi Jing, Sam Heft-Neal, Zetianyu Wang, Jie Chen, Minghao Qiu, Isaac M. Opper, Zachary Wagner, Eran Bendavid (2025). “Decreased likelihood of schooling as a consequence of tropical cyclones: Evidence from 13 low- and middle-income countries”. Proceedings of the National Academies of Sciences.

3.     Risha Gidwani, Veronica Yank, Steven M. Asch, Lane Burgette, Aaron Kofner, Alex Peltz, Zachary Wagner* (2025). “High-Deductible Health Plans and Receipt of Guideline-Concordant Care for Adults with Chronic Illness”. JAMA Network Open.

4.     Zachary Wagner, Corrina Moucheraud, Manisha Shah, Alexandra Wollum, Willa H Friedman, William H Dow (2025). “Reducing Bias Among Health Care Providers: Experimental Evidence From Tanzania, Burkina Faso, and Pakistan”. Economic Journal (formerly NBER Working Paper No. 31269)

5. Kyle Zanocco, Zachary Wagner, Louis T. Mariano, Allison Kirkegaard, Xiaowei Yan, Craig R. Fox, Noah J. Goldstein, Chad M. Brummett, Katherine E. Watkins. (2025) “Lasting effect of social norms feedback on post-surgery opioid prescribing behavior.” JAMA Health Forum.

6.     Corrina Moucheraud, Alexandra Wollum, Mohamad Brooks, Manisha Shah, Jessica Gipson, Zachary Wagner* (2024). “Contraceptive care visit intentions and outcomes: Evidence from Burkina Faso, Pakistan and Tanzania”. Studies in Family Planning.

7.     Corrina Moucheraud, Alexandra Wollum, Muhammad Ali Awan, William H. Dow, Willa Friedman, Jean-Louis Koulidiati, Amon Sabasaba, Manisha Shah, and Zachary Wagner*. "A multi-component intervention to reduce bias during family planning visits: qualitative insights on implementation from Burkina Faso, Pakistan and Tanzania." Contraception and Reproductive Medicine.

8.     Laura M. Bogart, William Musoke, Christopher Semei Mukama, Stella Allupo, David J. Klein, Abdulrazake Sejjemba, Simon Mwima, Herbert Kadama, Ronald Mulebeke, Rakesh Pandey, Zachary Wagner, Barbara Mukasa & Rhoda K. Wanyenze (2024). "Enhanced Oral Pre-exposure Prophylaxis (PrEP) Implementation for Ugandan Fisherfolk: Pilot Intervention Outcomes." AIDS and Behavior

9.     Zachary Wagner, Zetianyu Wang, Chad Stecher, Yvonne Karamagi, Mary Odiit, Jessica E. Haberer, Sebastian Linnemayr (2024). “The Association Between Adherence to Antiretroviral Therapy and Viral Suppression Under Dolutegravir-Based Regimens: An Observational Cohort Study from Uganda”. Journal of the International AIDS Society.

10.  Zachary Wagner, Manoj Mohanan, Rushil Zutshi, Arnab Mukherji, Neeraj Sood (2024). “What drives poor quality of care for child diarrhea? Experimental evidence from India”. Science.

11.  Zachary Wagner, Allison Kirkegaard, Louis T. Mariano, Jason N. Doctor, Xiaowei Yan, Stephen D. Persell, Noah J. Goldstein, Craig R. Fox, Chad M. Brummett, Robert J. Romanelli, Kathryn Bouskill, Meghan Martinez, Kyle Zanocco, Daniella Meeker, Satish Mudiganti,Jennifer Waljee, Katherine E. Watkins (2024). “Effect of peer comparison or guideline-based feedback vs no feedback on post-surgery opioid prescriptions: A cluster-randomized controlled trial”. JAMA Health Forum.

12.  Renzhi Jing, Sam Heft-Neal, Daniel R. Chavas, Max Griswold, Zetianyu Wang, Aaron Clark-Ginsberg, Debarati Guha-Sapir, Eran Bendavid, Zachary Wagner* (2024). “Global Population Profile of Tropical Cyclone Exposure, 2002-2019”. Nature.

13.  Risha Gidwani, Veronica Yank, Lane Burgette, Aaron Kofner, Steven M. Asch, Zachary Wagner* (2024) “The Impact of Telehealth Cost-Sharing on Healthcare Utilization: Evidence from High-Deductible Health Plans”. Health Services Research

14.  Allie Wollum, Corrina Moucheraud, Jessica J. Gipson, Willa Friedman, Manisha Shah, Zachary Wagner* (2024). “Characterizing provider bias in contraceptive care in Tanzania and Burkina Faso: A mixed-methods study”. Social Science & Medicine

15.  Sebastian Linnemayr, Zachary Wagner, Uzaib Y. Saya, Chad Stecher, Lillian Lunkuse, Peter Wabukala, Mary Odiit, Barbara Mukasa. (2024) “Behavioral economic incentives to support HIV care: Results from a randomized controlled trial in Uganda”. JAIDS

16.  Jason N Doctor, Daniella Meeker, Craig R. Fox, Stephen D. Persell, Zachary Wagner, Katheryn Bouskill, Kyle Zanocco, Robert J. Romanelli, Chad M. Brummett, Allison Kirkegaard, Katherine E. Watkins (2024). “A call for community-shared decisions”, BMJ Evidence-based Medicine.

17.  Meghan Martinez, Allison Kirkegaard, Kathryn Bouskill, Xiaowei Sherry Yan, Zachary Wagner, Katherine E. Watkins (2024). "Surgeons’ views of peer comparison and guideline-based feedback on postsurgery opioid prescriptions: a qualitative investigation." BMJ Open Quality

18.  Robert J Romanelli, Rivfka Shenoy, Meghan C Martinez, Satish Mudiganti, Louis T Mariano, Kyle A Zanocco, Zachary Wagner, Allison Kirkegaard, Katherine E Watkins (2023). “Disparities in postoperative opioid prescribing by race and ethnicity: an electronic health records-based observational study from Northern California, 2015–2020”. Archives of Public Health.

19.  Sarah MacCarthy, Alexandra Mendoza-Graf, Larissa Jennings Mayo-Wilson, Zachary Wagner, Uzaib Saya, Harriet Chemusto, Barbara Mukasa, Sebastian Linnemayr (2023). “A qualitative exploration of health-related present bias among HIV-positive adults in Uganda”. AIDS Care.

20.  Zachary Wagner#, Sarah MacCarthy#, Uzaib Saya, Ishita Ghai, Yvonne Karamagi, Mary Odiit, Barbara Mukasa, and Sebastian Linnemayr (2023). “Food insecurity during the COVID-19 pandemic: A longitudinal mixed-methods study from a cohort of HIV clients in Uganda”. AIDS and Behavior. [#Wagner and MacCarthy are co-lead authors]

21.  Zachary Wagner, Somalee Banerjee, Manoj Mohanan, and Neeraj Sood (2022). “Does the Market Reward Quality?: Evidence from India”. International Journal Health Economics and Management. Previously NBER Working Paper No. 26460.

22.  Uzaib Saya, Zachary Wagner, Barbara Mukasa, Peter Wabukala, Lillian Lunkuse, Sebastian Linnemayr (2022). “The role of material deprivations in determining ART adherence: Evidence from a conjoint analysis among HIV-positive adults in Uganda”. PLOS Global Public Health.

23.  Glenn J Wagner, Zachary Wagner, Mahlet Gizaw, Uzaib Saya, Sarah MacCarthy, Barbara Mukasa, Peter Wabukala, Sebastian Linnemayr (2022). “Increased depression during COVID-19 lockdown associated with food insecurity and antiretroviral non-adherence among people living with HIV in Uganda”. AIDS and Behavior.

24.  Uzaib Saya, Sarah MacCarthy, Barbara Mukasa, Peter Wabukala, Lillian Lunkuse, Zachary Wagner, Sebastian Linnemayr (2022). “‘The one who doesn’t take ART medication has no wealth at all and no purpose on Earth’ – a qualitative assessment of how HIV-positive adults in Uganda understand the health and wealth-related benefits of ART”. BMC Public Health.

25.  Zachary Wagner, Rushil Zutshi, John Bosco Asiimwe, David I. Levine (2021). “The Cost-Effectiveness of Community Health Workers Delivering Free Diarrhea Treatment: Evidence from Uganda”. Health Policy and Planning

26.  Pascaline Dupas, Basimenye Nhlema, Zachary Wagner, Aaron Wolf, Emily Wroe (2021). “Expanding Access to Clean Water for the Rural Poor: Experimental Evidence from Malawi”. AEJ: Economic Policy. [Author order is alphabetical]

27.  Zachary Wagner, Barbara Mukasa, Josephine Nakakande, Chad Stecher, Uzaib Saya, Sebastian Linnemayr (2021). “The impact of the COVID-19 pandemic on use of HIV care, antiretroviral therapy adherence, and viral suppression: An observational cohort study from Uganda”. JAIDS

28.  Rivfka Shenoy, Zachary Wagner, Allison Kirkegaard, Robert J. Romanelli, Satish Mudiganti, Louis T. Mariano, Meghan Martinez, Kyle Zanocco, Katherine Watkins (2021).  “The Impact of a Mandatory Prescription Drug Monitoring Program on Post-Operative Opioid Prescriptions”. JAMA Health Forum

29.  Glenn Wagner, Zachary Wagner, Sarah MacCarthy, Uzaib Saya, Mahlet Tebeka, Sebastian Linnemayr (2021). “Increased depression during COVID-19 lockdown associated with economic stressors and ART non-adherence among people living with HIV in Uganda”. AIDS and Behavior.

30.  Maria Dieci, Zachary Wagner, Willa Friedman, Sarah Burgess, Jessica Vandermark, Sandra McCoy, Manisha Shah, William H. Dow (2021). “Measuring Family Planning Provider Bias: A Discrete Choice Experiment Among Burkinabé, Pakistani, and Tanzanian Providers”. Studies in Family Planning.

31.  Sebastian Linnemayr, Larissa Jennings Mayo-Wilson, Uzaib Saya, Zachary Wagner, Sarah MacCarthy, Stewart Walukaga, Susan Nakubulwa, Yvonne Karamagi (2020). “HIV Care Experiences During the COVID-19 Pandemic: Mixed-Methods Telephone Interviews with Clinic-Enrolled HIV-Infected Adults in Uganda”. AIDS and Behavior.

32.  Sarah MacCarthy, Zachary Wagner, Joanna Barreras, Alice Kim, Alexandra Mendoza-Graf, Rebecca Giguere, Alex Carballo-Dieguez, Sebastian Linnemayr (2020). “Using behavioral economics to increase HIV knowledge and testing among Latinx sexual minority men and transgender women: A randomized controlled pilot study.” JAIDS.

33.  Lee H. Hilborne, Zachary Wagner, Irineo Cabreros, Robert H. Brook (2020). “Linking Statistics With Testing Policy to Manage COVID-19 in the Community.” American Journal of Clinical Pathology.

34.  Edward N. Okeke, Zachary Wagner, Isa S Abubakar (2020). “Maternal cash transfers, quality of care, and maternal health: Evidence from a cluster randomized trial in Nigeria”. Health Affairs.

35.  Neeraj Sood and Zachary Wagner (2020). "India’s Historic Effort to Expand Health Insurance to Individuals Living Below the Poverty Line." JAMA Health Forum.

36.  Sarah MacCarthy, Zachary Wagner, Alexandra Mendoza-Graf, Carlos Ignacio Gutierrez, Clare Samba, Josephine Birungi, Stephen Okoboi, Sebastian Linnemayr (2019). “A randomized controlled trial study of the acceptability, feasibility, and preliminary impact of SITA: A mobile technology-based intervention informed by behavioral economics to improve ART adherence among youth in Uganda”. BMC Infectious Disease

37.  Sebastian Linnemayr, Chad Stecher, Uzaib Saya, Sarah MacCarthy, Zachary Wagner, Larissa Jennings, Barbara Mukasa (2019). “Behavioral Economics Incentives to Support HIV Treatment Adherence (BEST): Protocol for a randomized controlled trial in Uganda”. Trials.

38.  Zachary Wagner, John Bosco Asiimwe, and David I. Levine (2019). “When Financial Incentives Backfire: Evidence from a community health worker experiment in Uganda”. Journal of Development Economics.

39.  Zachary Wagner, Sam Heft-Neal, Paul Wise, Robert E. Black, Marshall Burke, Ties Boerma, Zulfiqar A. Bhutta, Eran Bendavid (2019). “Women and Children Living in Areas of Armed Conflict: a geospatial analysis of mortality and orphanhood in Africa”. The Lancet Global Health.

40.  Zachary Wagner, Juan Carlos C. Montoy, Emmanuel F. Drabo, and William H. Dow (2019). “Incentives Versus Defaults: Cost-Effectiveness of Behavioral Approaches for HIV Screening”. AIDS and Behavior.

41.  Zachary Wagner, John Bosco Asiimwe, William H. Dow, and David I. Levine (2019). “The role of price and convenience in use of oral rehydration salts to treat child diarrhea: A cluster randomized trial in Uganda”. PLOS Medicine.

42.  Corey J.A. Bradshaw, Sarah P. Otto, Alicia A. Annamalay, Sam Heft-Neal, Zachary Wagner, Peter N. Le Souëf (2019). “Testing the socioeconomic and environmental determinants of better child-health outcomes in Africa: a cross-sectional study among nations”. BMJ Open.

43.  Zachary Wagner, Sam Heft-Neal, Zulfiqar A. Bhutta, Robert E. Black, Marshall Burke, Eran Bendavid (2018). “Armed Conflict and Child Mortality in Africa: a geospatial analysis”. The Lancet.

44.  Sebastian Linnemayr, Sarah MacCarthy, Zachary Wagner, Joanna L. Barreras, Frank Galvan (2018) “Using behavioral economics to promote HIV prevention for populations at high risk for HIV”. Journal of Aids & Clinical Research.

45.  Neeraj Sood and Zachary Wagner (2018). “Social Health Insurance for the Poor: Lessons from a Health Insurance Program in Karnataka, India”. BMJ Global Health.

46.  Neeraj Sood, Xinke Zhang, Zachary Wagner, Ateev Mehrotra, Peter Huckfeldt, Amelia Haviland (2017). “Does Enrollment in High Deductible Health Plans Encourage Price Shopping”. Health Services Research.

47.  Zachary Wagner, Erick Gong, Damien de Walque, William H. Dow (2016). “The Impact of Positive Income Shocks on Risky Sexual Behavior: Experimental Evidence from Tanzania”. Aids and Behavior.

48.  Emmanuel Drabo, Joel Hay, Raffaele Vardavas, Zachary Wagner, and Neeraj Sood (2016). “A Cost-Effectiveness Analysis Of Pre-Exposure Prophylaxis For The Prevention Of HIV Among Los Angeles County Men Who Have Sex With Men”. Clinical Infectious Disease.

49.  Adeline Delevande, Zachary Wagner, and Neeraj Sood (2016). “Repeat HIV Testing and Risky Sexual Behavior: A Randomized Controlled Trial in Zomba, Malawi.” Journal of Aids & Clinical Research.

50.  Neeraj Sood and Zachary Wagner (2015). “The Impact of Health Insurance for Tertiary Care on Postoperative Outcomes and Seeking Care for Symptoms: Quasi-Experimental Evidence From Karnataka, India”. BMJ Open.

51.  Zachary Wagner, Jeremy Barofsky, and Neeraj Sood (2015). “PEPFAR Funding Associated With An Increase In Employment Among Males in Ten Sub-Saharan African Countries.” Health Affairs.

52.  Neeraj Sood, Zachary Wagner, and Yanyu Wu (2015). “The Impact of Insurance on HIV Testing.” American Journal of Health Economics.

53.  Zachary Wagner, Manan Shah, and Neeraj Sood (2014). ”Barriers To Use Of Oral Rehydration Salts For Child Diarrhea In The Private Sector: Evidence From India.” Journal of Tropical Pediatrics.

54.  Neeraj Sood, Eran Bendavid, Arnab Mukherji, Zachary Wagner, Somil Nagpal, and Patrick Mullen (2014). “Government health insurance for people below poverty line in India: quasi-experimental evaluation of insurance and health outcomes.” BMJ.

55.  Zachary Wagner, Peter G. Szilagyi, and Neeraj Sood (2014). ”Comparative Performance of Public and Private Sector Delivery of BCG Vaccination: Evidence From Sub-Saharan Africa.” Vaccine.

56.  Zachary Wagner, Yanyu Wu, and Neeraj Sood (2014). “The Affordable Care Act May Increase The Number Of People Getting Tested For HIV By Nearly 500,000 By 2017.” Health Affairs.

57.  Neeraj Sood and Zachary Wagner (2014). “Private Sector Provision of Oral Rehydration Therapy for Child Diarrhea in Sub-Saharan Africa.” American Journal of Tropical Medicine and Hygiene.

58.  Neeraj Sood, Zachary Wagner, Peter Huckfeldt, and Amelia Haviland (2013).  “Price Shopping in Consumer-Directed Health Plans.” Forum for Health Economics and Policy.

59.  Neeraj Sood, Zachary Wagner, Amber Jaycocks, Emmanuel Drabo, and Raffaele Vardavas (2013). “Test and Treat in Los Angeles: A mathematical model of the effects of test-and-treat for the MSM population in LA County.” Clinical Infectious Disease.

60.  Neeraj Sood, Zachary Wagner, Amber Jaycocks, Emmanuel Drabo, and Raffaele Vardavas (2013). “Reply to Gonzalez-Serna et al.” Clinical Infectious Disease.

61. Neeraj Sood and Zachary Wagner (2012). "For-profit sector immunization service provision in Kenya: does low provision create a barrier to take-up?" Health Policy and Planning.