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GDP at constant prices is a measure used to compare the value of an economy's output across different time periods by adjusting for changes in the currency's value due to inflation or deflation. This is achieved by selecting a base year and valuing the goods and services produced in other years using the prices from that base year.

GDP at Constant Prices

Consider a simple economy that only produces one good: widgets. In the base year (Year 1), 100 widgets were produced and sold for $10 each. In Year 2, 110 widgets were produced and sold for $12 each. Which of the following statements correctly analyzes the change in the economy's output between Year 1 and Year 2?

A country's economic data is presented below. The government claims the economy has improved because the total value of its output increased by 20%. Using the provided data, analyze this claim by calculating the change in output valued at constant prices. Did the country's actual production of goods and services increase or decrease, and by what percentage?

Analyzing Economic Performance

An economy produces only apples and oranges. The table below shows the prices and quantities produced for two consecutive years, using Year 1 as the base year for prices.

| Year | Good | Quantity | Price per unit |
|---|---|---|---|
| 1 | Apples | 100 | $1.00 |
| 1 | Oranges | 50 | $2.00 |
| 2 | Apples | 105 | $1.20 |
| 2 | Oranges | 50 | $2.50 |

Based on the data, explain why the growth in the total market value of output from Year 1 to Year 2 gives a potentially misleading impression of the actual change in production. How does using constant base-year prices provide a more accurate measure?

Interpreting Economic Growth Data

An economy's production of goods and services remains identical between two consecutive years. However, the average price of these goods and services increases by 3%. In this scenario, the economy's output measured at constant prices will also show a 3% increase.

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