Foreign Capital Inflows (FCIs) have become a crucial source of de- velopment financing in emerging economies, particularly those grappling with inadequate domestic savings and persistent infra- structural deficits. These inflows, which encompass Foreign Direct Investment (FDI), Foreign Portfolio Investment (FPI), Foreign Debt (FD), Foreign Aid (FA), and Foreign Remittances (FR), pro- vide critical financial support that facilitates investment financing, capital formation, technological diffusion, and global econom- ic integration. For countries like Nigeria, FCIs are indispensable for complementing limited domestic resources, supporting finan- cial sector development, and stimulating macroeconomic growth