Real GDP measures output using constant prices, removing the effects of price changes.

Real GDP measures output using constant prices, removing the effects of price changes.

• A. Current prices.
• B. Prices adjusted for inflation.
• C. Constant prices, removing the effects of price changes.
• D. Prices that vary with demand.

Answer: (C)

Real GDP measures output by valuing goods and services at constant prices from a base year. This means prices are held fixed, so any change in real GDP reflects a change in the quantity of production rather than in the price level. By removing inflation or deflation from the calculation, we can compare how much the economy actually produced over time. Using current prices would give nominal GDP, which can rise or fall simply because prices change, even if the quantity produced stays the same. Saying “prices adjusted for inflation” points in the same direction, but the phrase is less precise than explicitly using constant prices to strip out price movements. Choices about prices that vary with demand don’t capture the concept of holding prices constant to isolate real output. So, describing real GDP as using constant prices that remove the effects of price changes best captures what real GDP measures.

Real GDP measures output by valuing goods and services at constant prices from a base year. This means prices are held fixed, so any change in real GDP reflects a change in the quantity of production rather than in the price level. By removing inflation or deflation from the calculation, we can compare how much the economy actually produced over time.

Using current prices would give nominal GDP, which can rise or fall simply because prices change, even if the quantity produced stays the same. Saying “prices adjusted for inflation” points in the same direction, but the phrase is less precise than explicitly using constant prices to strip out price movements. Choices about prices that vary with demand don’t capture the concept of holding prices constant to isolate real output.

So, describing real GDP as using constant prices that remove the effects of price changes best captures what real GDP measures.