Final answer:
The impact of the national debt on the economy's unemployment is an example of Macroeconomics.
Step-by-step explanation:
The impact of the national debt on the economy's unemployment is an example of Macroeconomics. Macroeconomics focuses on the behavior and performance of the entire economy, including factors such as inflation, unemployment, and national debt. The national debt, which is the total amount of money owed by the government, has a significant impact on the macroeconomic indicators like unemployment.