EC140 Lecture Notes - Lecture 24: Government Spending, Phillips Curve, Aggregate Demand

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7 Feb 2018
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EC140 Full Course Notes
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Real gdp (y) is determined by the intersection of supply and demand and might not be equal to y*, resulting in an output gap: the adjustment of factor prices: Technology and factor supplies are assumed to be constant. Real gdp (y) moves towards y*: the long run: Factor prices have fully adjusted to any output gap. Total output if all productive resources were fully employed. Fully employed resources does not mean unemployment is zero. Changes in potential output occur in the long-run, not the short-run. Potential gdp as an anchor economy returns to potential gdp after a shock. If real gdp (y) < potential gdp (y*): recessionary gap. If real gdp (y) > potential gdp (y*): in ationary gap. Potential output and the output gap in the short run: In ationary gap: firms are producing beyond their normal output capacity. Labour shortages emerge: firms offer increased wages to attract/keep workers. Higher wages lead to higher costs for inputs.

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