Considering the figure, macro equilibrium which is where aggregate expenditure is equal to the national income is represented by point b.
A measure of national income in economics is called aggregate expenditure (AE). The worth of all the finished goods and services in the economy as of the present date is known as aggregate spending. Thus, the aggregate expenditure is the total of all of the elements' economic expenditures made over a specific time period. It includes spending on planned investments, buying consumer items, and government spending on the economy. In an open economy, the difference between exports and imports is also included in aggregate expenditure. One method for calculating an economy's gross domestic product, sometimes known as the total of all economic activity, is to look at aggregate expenditure.
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