Conventional price elasticity of demand is a simplistic and elementary formula that has mathematical and economic deficiencies when applied to price (rates) and demand (balances) of deposit products: It does not recognize inverse relations between price and demand.
At its peak in 1300, the Mali Empire covered an area about twice the size of modern-day France and stretched to the west coast of Africa. In the late 19th century, during the Scramble for Africa, France seized control of Mali, making it a part of French Sudan.
Mali is a country that is situated in the west of Africa. The Niger  River runs through Mali and is the third longest river in Africa.imbuktu was a major city in Mali made prosperous by the tenth Masa of the Mali Empire. Mansa Musa. It was the centre for great learning during the 15th and 16th Centuries.