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Suppose that when income increases from $2750 to $3350 quantity demanded changes from 210 to 220.

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

 

Hint


Suppose that the income increases from $2400 to $3000. As a result, quantity demanded changes from 210 to 170.

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

 

Hint




Suppose that the price of one product increases from $26 to $39. As a result, quantity demanded for another product changes from 140 to 200.

Based on this information, calculate cross-price elasticity:

 

Hint




Suppose that the price of one product increases from $17 to $41. As a result, quantity demanded for another product changes from 260 to 190.

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

 

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