Vol. 6, Issue 1, Part E (2024)

The. research seeks to give a summary of the public-private partnership in infrastructure and the impact of this partnership on GDP, by reviewing the justifications and motives that call for resorting to partnership between the public and private sectors. as this research dealt with the concept of the transport sector and the water and sanitation sector as independent variables that represent participatory investment and their impact on the GDP dependent variable using the self-regression model with distributed slowdown Panel ARDL. Among the most significant essential outcomes that emerged in the long term is the existence of a positive impact, which means that the positive relationship between the independent variable of the transport sector and the GDP dependent variable, as well as the positive relationship between the water and sanitation sector and GDP in the short term. In the long term, the relationship is direct between the transport sector and GDP, and the study concluded that participatory investment is one of the important tools that contribute positively, qualitatively and significantly to the establishment, development, management and improvement of public infrastructure and utilities efficiency.