A mathematical note about elasticity

IB Economics: A mathematical note about elasticity

Some of your students may question you about the shape of the demand and supply curves. In IB economics we always assume that demand and supply curves are drawn as a straight line. It is important that you reassure your class that it is perfectly acceptable for them to draw them this way. However, it is also good for your classes to understand that in reality demand and supply curves are actually curved. A fun exercise...


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