This study investigates empirically the determinants of economic growth and total factor productivity in Lebanon over the period 1980-2014. To do so, we firstly estimate the total factor productivity in a growth accounting framework. Secondly, an Autoregressive Distributed Lag (ARDL) modeling approach has been applied to examine the relationship between economic growth and some macroeconomic variables such as foreign direct investment, openness, claims on private sector, and official

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... assistance. Then we consider modeling the effects of these macroeconomic determinants on TFP through an ARDL model. Findings of the regression analysis suggest the presence of a statistically significant relationship between economic growth and the variables involved in this study except for claims on private sector which appears to be insignificant. The results of TFP model show a significant relationship with claims on private sector and openness on one hand and insignificant link with the direct foreign investment and official development assistance on the other hand.