Published or Forthcoming Papers

[6] The Role of Career and Wage Incentives in Labor Productivity: Evidence from a Two-stage Randomized Controlled Trial in Malawi (with Seonghoon Kim and Taek Seung Kim) [link] [full paper] [data] [RCT registry] forthcoming at Review of Economics and Statistics

[5] Knowing Is Not Half the Battle: Impacts of the National Health Screening Program in Korea (with Wilfredo Lim and Suejin Lee) [link] [full paper] (first and corresponding author), Journal of Health Economics 65 (2019) 1-14

[4] The Role of Education Interventions in Improving Economic Rationality (with Syngjoo Choi, Booyuel Kim, Cristian Pop-Eleches) Science (2018) 362.6410 83-86, Oct 2018 [link] [full paper][supplements] [RCT registry] (first and corresponding author)

• Press coverage: Cornell Chronicle, EurekAlert, Science Daily, Korean: 연합뉴스, 매일경제 , KDI

[3] When Public Health Intervention Is Not Successful: Cost-sharing, Crowd-out, and Selection in Korea's National Cancer Screening Program (with Sun-mi Lee), Journal of Health Economics 53 (2017) 100-116 [link] [full paper] (first and corresponding author)

• Korean Economy Research Award by Korean Economic Association, Press coverage: 조선일보

[2] Promotion and Persistence of HIV Testing and HIV/AIDS Knowledge: Evidence from a Randomized Controlled Trial in Ethiopia (with Beliyou Haile and Taewha Lee), Health Economics 26.11 (2017) 1394-1411 [link] [full paper] (first and corresponding author)

[1] Long-Term Care Insurance, Informal Care, and Medical Expenditures (with Wilfredo Lim), Journal of Public Economics 125 (2015): 128–142 [link] [full paper]

Working Papers

[5] How Does Part-time Work Affect Labor Productivity? Evidence from Field Experiments on Data Entry Clerks in Ethiopia (with Hyunseob Kim) [RCT Registry] [working paper]

[4] Knowledge, Food Vouchers, and Child Nutrition: Evidence from a Field Experiment in Ethiopia (with Yaeeun Han and Seollee Park) [RCT Registry] now revising

• Press coverage: World Bank Blog

[3] Male Circumcision, Peer Effects, and Risk Compensation (with Cristian Pop-Eleches, Booyuel Kim, and Jaehyun Jung) [RCT Registry] now revising

[2] When Student Incentives Don’t Work: Evidence from a Field Experiment in Malawi (with Jim Berry and Hyuk Son) [RCT Registry] [working paper] submitted

[1] Long-run Consequences of Health Insurance Promotion: Evidence from a Field Experiment in Ghana (with Patrick Asuming and Armand Sim) [RCT registry] [working paper] (corresponding author) submitted

(Selective) Work in Progress

Education and Political Preferences: Experimental Evidence from Malawi (with Booyuel Kim and Tom Pepinsky)

Teach Me in My Mother Tongue: Language of Instruction and Education Outcomes in Primary Schools in Malawi (with Seonghoon Kim) [RCT Registry]

Long-term Effect of Female Secondary Education Supports on HIV and HSV-2: Evidence from a Field Experiment in Malawi [RCT Registry]

The Impacts of Pre- and Post-natal Interventions on Children’s Health and Socio-Economic Outcomes (with Cristian Pop-Eleches and Booyuel Kim) [slide]