In a closed economy, aggregate expenditure is

a. equal to consumption plus savings plus taxes.

b. equal to gross domestic product (gdp).

c. equal to full-employment output.

d. equal to consumption plus investment plus government spending.

The correct option is D

Explanation:

Aggregate expenditure is the aggregate of all the expenditures which is undertaken in the economy by the factors during a particular period of time.

When the economy is closed, the aggregate expenditure will be equal to the:

Aggregate Expenditure = Consumption + Investment + Government spending

                                     OR

AE = C + I + G

It determine or evaluate the aggregate amount which households and firms plan to spend on the goods and services at the every level of the income.

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a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.