Template-Type: ReDIF-Article 1.0 Author-Name: Malainine Mohamed VADEL Author-Email: mlm379277@gmail.com Author-Workplace-Name: Faculty of legal and economic sciences, Nouakchott University, Mauritania Title: Macroeconomic Factors of foreign direct investment in Mauritania: empirical study during the period (1991-2020) Abstract: This study aims to determine the impact of market size, infrastructure, economic openness, inflation rate, labor force and financial development on foreign direct investment flows into Mauritania during the period (1991-2020) using Autoregressive Distributed Lags model (ARDL) through the correlation, stationarity and co-integration tests. The results of the study concluded that foreign direct investment inflows lags, market size, infrastructure, economic openness, inflation rate and labor force plied an important role in influencing on the incoming foreign direct investment flows during this period. While financial development did not play a major role in determining these flows.   Classification JEL : B22 C01 C32 Paper type : Empirical Research Keywords: Foreign Direct Investment (FDI), Market Size, Economic Openness, Infrastructure, Autoregressive Distributed Lag (ARDL) Model Journal: International Journal of Accounting, Finance, Auditing, Management and Economics Pages: 477-490 Volume: 6 Issue: 4 Year: 2025 File-URL: https://ijafame.org/index.php/ijafame/article/view/1845 File-Format: text/html File-URL: https://ijafame.org/index.php/ijafame/article/view/1845/1844 File-Format: application/pdf Handle: RePEc:aoa:journl:v:6:y:2025:i:4:p:477-490