“…In the case of Morocco, there is a research that has studied the relationship between public investment and economic growth. We quote Tahtah (2013), who tried to study the causal links between public expenses and economic growth for the period 1970-2008, by measuring the "spillover" effects on the private sector, the model being in the form of an error correction (MCE). The results of his work led to the conclusion that public investment spending, especially in human capital formation and in the transport and communications sector, has no impact on growth through the promotion of the private sector.…”