A key part of the Income-Expenditure model is understanding that as national income (or GDP) rises, so does aggregate expenditure
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What is aggregate expenditure?</h3>
The equilibrium level of real GDP, which may be used to estimate the level of employment in the economy, is determined by the income-expenditure model. The aggregate expenditure schedule is the model's key component (or curve). Recall that total spending is the sum of four components: net exports, government spending, investment spending, and consumer spending.
Understanding that aggregate expenditure increases as national income (or GDP) increases is a critical component of the Income-Expenditure model. In the pages that follow, we'll go over the elements of total expenditure and look at how national income affects them. The total expenditure will then be calculated by adding the four parts collectively.
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