Question : The subject of the study of macroeconomics is based on which principle?
Option 1: The principle of national income.
Option 2: The principle of consumer.
Option 3: The principle of producer.
Option 4: The principle of investment.
Correct Answer: The principle of national income.
Solution : The correct answer is The principle of national income.
The study of macroeconomics is closely tied to the concept of national income. Macroeconomics is a branch of Economics that deals with the overall performance, structure, behaviour, and decision-making of an economy as a whole. National income represents the total value of goods and services produced within a country's borders over a specific period, usually a year.
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