Suppose the price of apples doubles to $3.00 between year 1 and year 2 but that nothing else in the economy changes Instructions: Round your answers to one decimal placea. What would be the percentage change in nominal GDP? b. What would be the percentage change in real GDP?Suppose the prices of both apples and bread double between year 1 and year 2 and quantities remain unchanged. Instructions: Round your answers to one decimal place a) What would be the percentage change in nominal GDP?% b) What would be the percentage change in real GDP?

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Answer:

1. Suppose Quantity of Apple sold in year one & two =  100Kg.

Price in year 1 = $1.50 per kg

Price in year 2 = $3.00 per kg

Nominal GDP 1 = Price * Quantity = 1.50*100 = $150

Nominal GDP year 2 = 3*100 = $300

Change in Nominal GDP = $150

Percentage change in Nominal GDP = 100%

b. Real GDP of year 1 = Nominal GDP of year 1 = $150

Real GDP of year 2 = 1.50*100 = $150

Change in Real GDP = 0%

2. Quantity of Bread = 100 units price = $ 1 per unit, year 2 price = $ 2 per units

a. Nominal GDP year 1 = 1*100+1.5*100 = $250

Nominal GDP year 2 = 2*100+3*100 = $500

Percentage change in Nominal GDP = 500-250/500 * 100 = 100%

b. Real GDP year 1 = $250

Real GDP year 2 = 1*100 + 1.5*100 = $250

Percentage change in Real GDP = 0%

The percentage change in nominal GDP is 100% and the Change in Real GDP is 0%.

Percentage change in nominal GDP

1. Price in year 1

Price in year 1= $1.50 per kg

Price in year 2 = $3.00 per kg

Nominal GDP 1 = Price ×Quantity

Nominal GDP 1 = 1.50×100

Nominal GDP 1  = $150

Nominal GDP year 2 = 3×100

Nominal GDP year 2 = $300

Change in Nominal GDP = $150

Percentage change in Nominal GDP = 100%

b. Real GDP of year 1

Real GDP of year 2 = 1.50×100

Real GDP of year 2 = $150

Change in Real GDP = 0%

2a. Nominal GDP year 1

Nominal GDP year 1 = 1×100+1.5×100

Nominal GDP year 1  = $250

Nominal GDP year 2 = 2×100+3×100

Nominal GDP year 2= $500

Percentage change in Nominal GDP = 500-250/500 ×100

Percentage change in Nominal GDP = 100%

b. Real GDP year 1

Real GDP year 2 = 1×100 + 1.5×100

Real GDP year 2= $250

Percentage change in Real GDP = 0%

Inconclusion the percentage change in nominal GDP is 100%.

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