A farmer selling crops in the market.
Explanation
National Income accounting measures the monetary value of the flow of final goods and services produced in an economy over a period of time. A fundamental principle in this calculation is the distinction between economic activities (which involve market transactions or production for exchange) and non-economic activities (which are performed for self-consumption or emotional reasons without monetary exchange).
Option Analysis
- A mother cooking for her family. is Incorrect: A mother cooking for her family is considered unpaid household work. Since no monetary transaction takes place and it is difficult to impute a market value for such services, it is excluded from National Income.
- A father teaching his own children. is Incorrect: A father teaching his own children is a service performed for personal reasons without economic exchange. Services produced for self-consumption are generally not included in National Income estimates.
- A farmer selling crops in the market. is Correct: A farmer selling crops in the market engages in a commercial transaction. This activity involves the production of goods for the market and results in monetary exchange, making it a measurable economic activity included in National Income.
- A woman cleaning her own house. is Incorrect: Similar to cooking, cleaning one's own house is a domestic service performed for self-consumption. It lacks a market transaction and is therefore excluded.
Key Takeaway: National Income includes activities that involve market transactions or the imputed value of goods produced for self-consumption. Unpaid domestic services and care work performed within the household are excluded due to the lack of market exchange and difficulties in valuation.