Define income elasticity of demand and cross-price elasticity of demand.     b. If a firm determines that the income elasticity of demand for its good is negative (EY < 0), what can be said about this good?     c. On the island of Econopia, the cross-price elasticity of demand between holilacs and bajwins is negative (EXY <0). What is the relationship between these goods?

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Chapter20: Elasticity: Demand And Supply
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a. Define income elasticity of demand and cross-price elasticity of demand.

    b. If a firm determines that the income elasticity of demand for its good is negative (EY < 0), what can be said about this good?

    c. On the island of Econopia, the cross-price elasticity of demand between holilacs and bajwins is negative (EXY <0). What is the relationship between these goods?

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