ECON 1100 Chapter 11: Chapter 11 - Macro Economics.docx

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Aggregate demand- aggregate supply model (ad-as): a model of real output and overall price level determination. Model is represented graphically with the overall price level on the vertical axis and real ouput on the horizontal axis. Shows how economic factors and policies can simultaneously affect the overall price level as well as real output. The three components of the aggregate demand-aggregate supply. The aggregate demand-aggregate supply mode has three central components: Long-run aggregate supply curve: related to the concept of potential output. Short-run aggregate supply curve: related to a key assumption: in the short run, firms meet demand at existing prices. Aggregate demand curve: derived from the planned aggregate expenditure curve. Aggregate demand curve: a relationship between overall spending in the economy and the aggregate price level. Shows the amount of planned aggregate expenditure (and output) at various price levels.

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