This work is tending to use theoretical model (economic dynamic model), trying to explain the effect that Political Instability can have on the economic growth. Political instability is considered by economists as a serious issue, detrimental to economic performance. While talking about political unrest, we then think about African countries. Political instability in African countries can therefore be caused by internal and external factors. Coming from a country (Central African Republic) that suffers a lot from Political Instability, this analysis will help to contribute to the stability in my country and in all countries around the world. This work shows the leverage of Political Instability the rate of change in the capital stock per un...