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Planned Aggregate Spending Line

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Planned aggregate spending includes all of the spending that firms and households do in an economy. A graphed line would properly illustrate the planned aggregate spending. A shift of the aggregate spending line would be considered an autonomous change. Two things that shift the planned aggregate spending line would be a change in planned investment spending, caused by a change in the interest rate, and by a shift of the aggregate consumption function, caused by a change in aggregate wealth (i.e. house price changes, or paycheck increases). If the spending of the households and firms doesn’t equal the aggregate output of firms, the firms will notice changes in inventories. The firms react and attempt to either increase or decrease production …show more content…

If planned aggregate spending increases, the firms will realize a decrease in inventory investment (inventory levels). This would be an unplanned decrease in inventory investment. The firms will then increase production which will slowly increase real GDP until it equals the planned aggregate spending (its new intersection with the 45 degree line). There would be a rise in the income-expenditure equilibrium GDP, which happens to be greater than the beginning increase. As the real GDP increases, so will disposable income. Consumers will see the disposable income as an incentive to purchase more. Consumer spending will increase, but not as fast as income has increased. This extra spending increases the planned aggregate spending, which in turn repeats the whole process. As a result, the real GDP will have a multiplier effect (increasing real GDP caused by a repetition of effects). Real GDP won’t increase indefinitely because when disposable income increases, so will consumption, but not as fast. The consumers will have more disposable income over the course of the multiplier rounds. This will cause the multiplying effect of increases in real GDP to increase less and less (income and spending will increase at a smaller amount each round). There is a diminishing effect of the …show more content…

In January of 2016 (for the U.S.), the personal savings rate was 5.2% [3]. In January of 2015, the personal savings rate was 5.5%. [4] From 2015 to 2016, the personal savings rate decreased by 0.3%. The GDP multiplier is 19.23 for 2016 (that means real GDP has total increase of $19.23 if the original planned expenditure was $1). The GDP multiplier is 18.18 and for 2015. The multiplier has increased between 2016 and 2015. The savings rate has decreased which means consumer spending has increased. Disposable income has also increased from March of 2015 to March of 2016.

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