The commonly used formula for calculating GDP—the expenditure approach—is also known as the national income accounting equation. The formula is: The quantitative information associated with ...

What is the formula of National Income? The formula of National Income is: NI = C (household consumption) + G (government expenditure) + I (investment expense) + NX (net exports).

They're the components of a nation's gross domestic product (GDP) or national income. The model is also referred to as the circular flow of income model for this reason. The circular flow model ...