ECON 105 Lecture 14: Chapter 14

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ECON 105 Full Course Notes
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ECON 105 Full Course Notes
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Three key facts about economic fluctuations: economic fluctuations are irregular and unpredictable. But there isn"t exactly a cycle: most macroeconomics move together (comovement, as output falls, unemployment rises. Classical (long-run): output is determined by the economy"s productive capacity (ppf), unemployment is at its natural rate, and money is neutral. Keynesian (short-run): output can be temporarily below productive capacity (inside. Ppf), unemployment can be above its natural rate, and money is not neutral. Aggregate demand (ad): relationship between the price level and aggregate expenditure: it will be downward sloping. Aggregate supply (as): relationship between the price level and aggregate production: upward sloping in short run, vertical in long run. Now, how do these things respond to price level (p) Suppose p decreases: wealth effect: holders of nominal assets (cash) see an increase in their real value. Increase in c: interest rate effect: householders will choose to save some of their newfound real wealth from (i).

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