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Suppose that when income increases from $2650 to $3150 quantity demanded changes from 180 to 190.

Using the mid-point elasticity approach, calculate income elasticity.

 

Hint


Suppose that the income increases from $2800 to $3150. As a result, quantity demanded changes from 190 to 160.

Based on this information you can tell that this products is:

 

Hint




Suppose that the price of one product increases from $19 to $40. As a result, quantity demanded for another product changes from 140 to 210.

Based on this information, calculate cross-price elasticity:

 

Hint




Suppose that the price of one product increases from $30 to $44. As a result, quantity demanded for another product changes from 260 to 180.

Based on this information you can tell that these two products are:

 

Hint