The increased pessimism will affect the aggregate demand curve by: shifting the aggregate demand curve to the left.
An aggregate demand curve can be described as curve that shows the total spending that is made on domestic goods and services based on different price levels.
When the aggregate demand curve shifts to the right, it means demand is increased. However, wen aggregate demand curve shifts to the left, it means demand decrease.
Recession that happened in 2007-2009 that made many consumers pessimistic about their future incomes discourages buying. This leads to a decrease in demand which will make the aggregate demand curve to shift to the left.
Therefore, the increased pessimism will affect the aggregate demand curve by: shifting the aggregate demand curve to the left.
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