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.
The Mali Empire profoundly influenced the culture of West Africa through the spread of its language, laws and customs along the lands along the Niger River and extending over a large area that consisted of numerous vassal kingdoms and provinces.