ECON 102 Lecture Notes - Lecture 13: Macroeconomics, Nominal Rigidity, Potential Output

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11 Mar 2016
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ECON 102 Full Course Notes
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Recession: a period of falling incomes and rising unemployment. Most economists believe that classical theory describes the world in the long run but not in the short run. To understand how the economy works in the short run, we need a new model. The new model focuses on how real and nominal variables interact. Model of aggregate demand and aggregate supply: the model most economists use to explain short-run luctuaions in economic acivity around its long-run trend. Aggregate-demand curve: a curve that shows the quanity of goods and services that households, irms, and the government want to buy at each price level. Aggregate-supply curve: a curve that shows the quanity of goods and services that irms choose to produce and sell at each price level. The price level and consumpion: the wealth efect. The price level and investment: the interest rate efect. The price level and net exports: the real exchange rate efect.

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