The economy would be in equilibrium as AE = 1000 + 0.9Y
Y = 1000 + 0.9Y
Y - 0.9Y = 1000
(1-0.9) Y = 1000
Y = 1000/0.1
Y = $10000
AE = 10,000
Aggregate expenditure, a macroeconomic statistic, is used to measure and evaluate the total amount of economic activity or output within a country. A nation's total outlays over a given time period are measured by aggregate expenditure, just as the gross domestic product (GDP) and national income.
Expenditures that alter in reaction to real GDP are referred to as induced aggregate expenditures. Take consumption spending as an example of an induced aggregate expenditure, which rises with real GDP.
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