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Homework answers / question archive / Data collected from the imaginary economy of Tralfamadore reveals that a 16% increase in income leads to the following changes: An 18% increase in the quantity of lafgar demanded A 14% decrease in the quantity of kang demanded A 30% increase in the quantity of welk demanded Compute the income elasticity of demand for each of the goods described, and select the appropriate value in the following table

Data collected from the imaginary economy of Tralfamadore reveals that a 16% increase in income leads to the following changes: An 18% increase in the quantity of lafgar demanded A 14% decrease in the quantity of kang demanded A 30% increase in the quantity of welk demanded Compute the income elasticity of demand for each of the goods described, and select the appropriate value in the following table

Economics

Data collected from the imaginary economy of Tralfamadore reveals that a 16% increase in income leads to the following changes:

An 18% increase in the quantity of lafgar demanded

A 14% decrease in the quantity of kang demanded

A 30% increase in the quantity of welk demanded

Compute the income elasticity of demand for each of the goods described, and select the appropriate value in the following table. Then indicate whether the income elasticity for each good indicates that it is a normal good or an inferior good.

Good Income Elasticity of Demand Normal or Inferior Good
Lafgar    
Kang    
Welk    

Which of these three goods is most likely to be classified as a luxury good ?

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Good Income Elasticity of Demand Normal or Inferior Good
Lafgar 1.125 Normal
Kang -0.875 Inferior
Welk 1.875 Normal

a. The income elasticity of lafgar is 18/16 = 1.125, lafgar is a normal good because the income elasticity of demand is positive.

b.. The income elasticity of kang is -14/16 = -0.875, kang is an inferior good because the income elasticity of demand is negative.

c. The income elasticity of welk is 30/16 = 1.875, welk is a normal good because the income elasticity of demand is positive.

Both Lafgar and Welk are luxury goods because they have an income elasticity of demand that is greater than one. However, since the income elasticity of demand for Welk is higher than that of Lafgar, is most likely to be classified as a luxury good.