Which of the following approach measures economic activity by adding the aggregate value of final goods and services newly produced in a nation during a fixed period of time?

Option 1 -> Measures GDP by summing the value of all final goods and services produced.

Option 2 -> Measures GDP by summing all incomes earned by factors of production.

Option 3 -> Measures GDP by summing value added at each stage of production.

Option 4 -> Measures GDP by summing all expenditures on final goods and services.

Hence, Product Method -> The Product Method (also called Output Method) directly measures economic activity by calculating the aggregate market value of all final goods and services newly produced within a nation's borders during a specific time period. It avoids double counting by only including final goods and services, not intermediate goods used in production. This method provides a direct measure of a nation's total production output -> correct

Here is the exact difference between GVA and Product Method

1. The Core Formula

The Product Method measures output at Market Prices (GDP), whereas GVA is typically measured at Basic Prices.

$\text{GDP (Product Method)} = \text{GVA (at Basic Prices)} + \text{Product Taxes} - \text{Product Subsidies}$

• GVA captures the net value added at the producer level before indirect taxes and subsidies on the final products are added or subtracted.
• Product Method (GDP) captures what consumers actually pay for those final goods and services in the open market.

2. Macro vs. Sectoral Perspective

• GVA is a sector-specific view: It tells you how much value the agricultural, manufacturing, or service sectors individually added to the economy. It looks at production from the supply side.
• Product Method is an aggregate national view: It looks at the economy from the final output side.

Why the strict definition matters: When a question specifically uses the phrase "adding the aggregate value of final goods and services newly produced in a nation," it is referencing the classic definition of Gross Domestic Product (GDP) via the Product Approach. If it had said "adding the value added at each stage of production by subtracting intermediate consumption," GVA would be the perfect fit.