Arhin, K., Oteng-Abayie, E. F., & Novignon, J. (2023). Assessing the efficiency of health systems in achieving the universal health coverage goal: Evidence from Sub-Saharan Africa. Health Economics Review, 13(1), 25. https://doi.org/10.1186/s13561-023-00420-5
Arhin, K., Frimpong, A. O., Boso, R., & Acheampong, K. (2023). A double bootstrap data envelopment analysis model for evaluating malaria spending efficiency in Sub-Saharan Africa. Healthcare Analytics, 3, 100137. https://doi.org/10.1016/j.health.2023.100137
Arhin, K., Oteng-Abayie, E. F., & Novignon, J. (2023). Effects of healthcare financing policy tools on health system efficiency: Evidence from sub-Saharan Africa. Heliyon, 9(10), e19922. https://doi.org/10.1016/j.heliyon.2023.e19922
Arhin, K., Frimpong, A. O., & Acheampong, K. (2022). Effect of primary health care expenditure on universal health coverage: Evidence from sub-Saharan Africa. ClinicoEconomics and Outcomes Research, 14, 643–652. https://doi.org/10.2147/CEOR.S376866
Arhin, K., & Frimpong, A. O. (2022). Assessing the efficiency of public health and medical care services in curbing the COVID-19 pandemic in Sub-Saharan Africa: A retrospective study. Global Journal of Health Science, 14(4), 111. https://doi.org/10.5539/gjhs.v14n4p111
Arhin, K., & Asante-Darko, D. (2023). Performance evaluation of national healthcare systems in the prevention and treatment of non-communicable diseases in sub-Saharan Africa. PLOS ONE, 18(11), e0294653. https://doi.org/10.1371/journal.pone.0294653
Arhin, K., Oteng-Abayie, E. F., & Novignon, J. (2023). Cost efficiency of primary health care facilities in Ghana: Stochastic frontier analysis. Discover Health Systems, 2(1), 31. https://doi.org/10.1007/s44250-023-00031-z
Acheampong, K., Frimpong, A. O., & Arhin, K. (2023). Effect of foreign capital inflows on domestic credit to the private sector in sub‐Saharan Africa. International Social Science Journal, 73(248), 339–358. https://doi.org/10.1111/issj.12385
Frimpong, A. O., Arhin, K., & Acheampong, K. (2022). Health systems resilience and endemic: Evidence from the COVID-19 outbreak. Journal of Business and Professional Studies, 14(1), 54–66.
Arhin, K., Acheampong, K., & Frimpong, A. O. (2025). Benchmarking the performance of healthcare systems in the provision of childhood immunization services in sub-Saharan Africa from 2016 to 2019. Cogent Social Sciences, 11(1), 2471562. https://doi.org/10.1080/23311886.2024.2471562
Frimpong, A. O., Arhin, K., Boachie, M. K., & Acheampong, K. (2023). A gravity model approach to understand the spread of pandemics: Evidence from the COVID-19 outbreak. Open Health, 4(1), 20220032. https://doi.org/10.1515/openh-2022-0032