What is the income elasticity of demand? How can it be used to determine whether a good is a normal good or an inferior good? What is the cross-price elasticity of demand? How can it be used to determine whether two goods are substitutes or complements?

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The Answer of What is the income elasticity of demand? How can it be used to determine whether a good is a normal good or an inferior good? What is the cross-price elasticity of demand? How can it be used to determine whether two goods are substitutes or complements?

What Is the Income Elasticity of Demand? How Can It