The income elasticity for a product is +0.5. You know that...
This good is a normal good. It is also a necessity. |
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This good is a normal good. It is also a luxury good. |
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This good is an inferior good. |
Answer
Option 1
This good is a normal good. It is also a necessity.
An income elasticity shows a relationship between the demand for a
good and income if income elasticity is positive means the good is
normal otherwise it is inferior.
Also, if the elasticity is above +1, then the good is luxurious or
not necessary. It is necessary because the elasticity of income is
+0.5 which means a change in income of 1% quantity changes by
0.5%
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