The Impact of Mobile Money and CBDCs on Remittance Fees: Evidence from Nigeria and Sub-Saharan Africa

Abstract

This study investigates the potential effects of Mobile Money (MM) and Central Bank Digital Currencies (CBDCs) on the average transaction costs of remittances to Sub-Saharan Africa (SSA), with a focus on Nigeria. While much of the current literature highlights the theoretical benefits of CBDCs in reducing intermediation costs, empirical evidence remains limited. The analysis combines descriptive statistics and regression models to examine the role of MM in reducing remittance fees across SSA. In addition, the Synthetic Control Method (SCM) is applied to assess the post-launch impact of Nigeria’s CBDC, the eNaira, on inward remittance costs. Results show that MM adoption is associated with significant reductions in remittance costs, reinforcing its importance as a tool for financial inclusion and efficiency. In contrast, the eNaira is not yet associated with transaction fee reduction and has not displaced the bank-dominated remittance channels, which are the most expensive. These findings suggest that while CBDCs hold promise, their effectiveness in emerging markets depends on complementary digital infrastructure and policies that support competition and interoperability. This paper offers one of the first empirical assessments of a CBDC’s economic impact on remittance costs, moving beyond largely theoretical or technical discussions. Jointly analyzing MM and CBDCs provides novel insights into their interaction and highlights policy considerations for emerging markets piloting CBDCs or expanding MM infrastructure.