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The table below shows an economy’s production over the past three years.
2018 2019 2020
Price Quantity Price Quantity Price Quantity
Computers $600 40,000 $625 42,000 $630 42,000
Automobiles $15,000 25,000 $16,500 24,000 $16,000 24,500
Houses $175,000 15,000 $175,000 15,500 $175,500 15,500
Clothing $45 60,000 $48 58,000 $50 62,000
Coffee $2 250,000 $2.50 250,000 $2.50 260,000
Eggs $4 200,000 $4 215,000 $5 210,000

Calculate the Nominal GDP for each given year and the Real GDP for 2019 and 2020 using 2018 as the base year. Suppose that Real GDP is

1 answer

To calculate Nominal GDP, the formula is:
Nominal GDP = Price x Quantity for each good and then sum all up.

To calculate Real GDP for 2019 using 2018 as the base year, the formula is:
Real GDP = (Price in 2018 x Quantity in 2019) + (Price in 2019 x Quantity in 2019) + ...

Similarly, to calculate Real GDP for 2020 using 2018 as the base year:
Real GDP = (Price in 2018 x Quantity in 2020) + (Price in 2019 x Quantity in 2020) + ...

Let's calculate:
2018 Nominal GDP = (600 x 40,000) + (15,000 x 25,000) + (175,000 x 15,000) + (45 x 60,000) + (2 x 250,000) + (4 x 200,000) = $31,280,000

2019 Nominal GDP = (625 x 42,000) + (16,500 x 24,000) + (175,000 x 15,500) + (48 x 58,000) + (2.50 x 250,000) + (4 x 215,000) = $33,776,500

2020 Nominal GDP = (630 x 42,000) + (16,000 x 24,500) + (175,500 x 15,500) + (50 x 62,000) + (2.50 x 260,000) + (5 x 210,000) = $34,211,500

Using 2018 as the base year, we can calculate Real GDP for 2019 and 2020:
Real GDP for 2019 = (600 x 42,000) + (15,000 x 24,000) + (175,000 x 15,500) + (45 x 58,000) + (2 x 250,000) + (4 x 215,000) = $31,768,500

Real GDP for 2020 = (600 x 42,000) + (15,000 x 24,500) + (175,000 x 15,500) + (45 x 62,000) + (2 x 260,000) + (4 x 210,000) = $32,923,000

Therefore, the Nominal GDP for each given year and the Real GDP for 2019 and 2020 are as calculated above.