9708 · 4.1
National income statistics
**National income** (4.1) underpins all **9708 AS macro analysis**. Examiners expect you to define **GDP and GNI**, explain **all three measurement approaches**, convert **nominal to real** figures, and evaluate **data limitations** — often in the same question.
Need to know
What you need to know
- GDP measures the value of final output produced within a country's borders.
- It is a key indicator of a nation's economic health and performance.
- The three methods of calculation are the output, income, and expenditure approaches.
- Governments use GDP data to formulate economic policy and forecast future trends.
Explanation
National income statistics
- GDP measures the value of final output produced within a country's borders.
- It is a key indicator of a nation's economic health and performance.
- The three methods of calculation are the output, income, and expenditure approaches.
- Governments use GDP data to formulate economic policy and forecast future trends.