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# Tutor profile: Breanna B.

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Breanna B.
Graduate Student; Economics & Mathematics Tutor
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## Questions

### Subject:Economics

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Question:

The equation for a supply curve is 4P = Q. What is the elasticity of supply as price rises from 3 to 4?

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Breanna B.

% Change in Quantity = [(16-12) / ((16+12)/2)] X 100 = 28.57 % Change in Price = [(4-3) / ((4+3)/2)] X 100 = 28.57 Elasticity of Supply = 28.57 / 28.58 = 1.0

### Subject:Microeconomics

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Question:

The Law of Demand states that _________.

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Breanna B.

All other factors being held constant, as the price of a good or service increases, consumer demand for the good or service will decrease.

### Subject:Macroeconomics

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Question:

What formula is used to measure Gross Domestic Product (GDP) ?

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Breanna B.

C + I + G + (X - M) Consumption + Investment + Government + (Exports - Imports)

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