Adedipe, O. and Oluwamuye, A. 2025. An empirical study on the effect of non-performing loans and fraud on the financial performance of tier 1 deposit money banks in Nigeria. Journal of Accounting, Business and Finance Research. 21, 1 (Dec. 2025), 1–13. DOI:https://doi.org/10.55217/102.v21i1.1025.