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AGGREGATE SUPPLY SHIFTS: Changes in the aggregate supply determinants can shift either the short-run aggregate supply curve and the long-run aggregate supply curve. The mechanism is comparable to that for market supply determinants and market supply. We have two options -- an increase in aggregate supply and a decrease in aggregate supply. An increase in resource quantity or quality or a decrease in resource prices shift the aggregate supply curves to right. A decrease in resource quantity or quality or an increase in resource prices shift the aggregate supply curves to left.
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KEYNESIAN MODEL A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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G-10
Group of Ten
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