ECON102 Lecture Notes - Lecture 15: Economic Equilibrium, Aggregate Demand, Aggregate Supply

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Assumption: when a model is built we make assumptions to put it in a context we can solve for. The model of aggregate demand and aggregate supply shows how output, prices, and employment are all tied together as part of a single economic equilibrium. Demand curve shows the relationship between the overall price level in the economy and output. We are interested in what happens when the prices of all goods go up or down. Price changes are measured by the price index or inflation. As prices rice, people buy less because their real wealth decreases. You can buy more when the price is lower because you feel richer. Making borrowing decrease and a decrease in investment spending. When canadian prices increase, canadian goods become relatively more expensive compared to other countries" goods. Right shift non-price factor increases a component of ad. Left shift non-price factor decreases a component of ad. High expectations about future income increase consumer spending.

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