Economists often say that goods tend to have more elastic demand when they have lots of close substitutes. Use the CES utility function U(x, y) = α + (1 − a)² to show that the own-price elasticity of demand for good X gets larger (in absolute value) as the elasticity of substitution gets larger. x8

Managerial Economics: A Problem Solving Approach
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. Economists often say that goods tend to have more elastic demand when they have lots of close
χδ
= α + (1 - a)
substitutes. Use the CES utility function U(x, y)
to show that the own-price
elasticity of demand for good X gets larger (in absolute value) as the elasticity of substitution gets
larger.
Transcribed Image Text:. Economists often say that goods tend to have more elastic demand when they have lots of close χδ = α + (1 - a) substitutes. Use the CES utility function U(x, y) to show that the own-price elasticity of demand for good X gets larger (in absolute value) as the elasticity of substitution gets larger.
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