Impact of Human Capital Flight on Output Performance in Nigeria

This study provides a robust empirical investigation into the multifaceted impact of human capital flight on Nigeria's economic output from 1990 to 2020. The persistent exodus of skilled professionals, a phenomenon commonly termed 'brain drain', presents a complex challenge for developing economies. While the inflow of remittances from the diaspora is a notable benefit, its capacity to offset the economic detriments of losing skilled labor remains a critical question. Utilizing annual time-series data, this research employs the Autoregressive Distributed Lag (ARDL) bounds testing approach to co-integration for the dynamic analysis of both the short-run and long-run relationships between real GDP growth, human capital flight (proxied by net migration), remittances, unemployment, and human capital development. The empirical findings reveal a statistically significant and negative long-run relationship between human capital flight and economic growth in Nigeria, indicating that the continuous departure of skilled individuals imposes a substantial drag on the nation's output potential. Conversely, remittances exhibit a positive but primarily short-run impact on economic growth, suggesting they serve more as a temporary economic stimulus than a driver of long-term sustainable development. The results highlighted the inadequacy of remittance inflows to fully compensate for the adverse structural effects of brain drain. The study concludes with targeted policy recommendations, emphasizing the urgent need for the Nigerian government to foster a more conducive domestic environment through strategic investments in infrastructure, education, and security to retain its skilled workforce and harness the full development potential of its human capital.