1) Cross Price Elasticity of Demand

 

A video from pajholden (click on the image below – this video can’t be embedded).

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2) Income Elasticity of Demand

 

A video from pajholden (click on the image below – this video can’t be embedded).

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Image: Attribution Some rights reserved by AngelalalaChan

3) Both XED (Cross Price Elasticity of Demand) and YED (Income Elasticity of Demand)