ECON 1110 Lecture Notes - Lecture 12: Aggregate Demand, Stagflation, Output Gap

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jadekangaroo201

13 Mar 2016

School

University of Windsor

Department

Economics

Course

ECON 1110

Professor

Peter Miller

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Document Summary

Result of: decrease in g0, decrease in i0, decrease in c0, decrease in business confidence. Ad curve will shift to the left. If wages are flexible, the as curve will shift quickly. If wages are sticky, the as curve will shift slowly. Increase in input prices: example: oil prices. As curve will shift to the left. As curve will shift to the right. Y (goes to as1 and then back to as0) In the long run, the as curve is vertical. The long run as curve shows the relationship between the price level and the amount of output supplied by firms after all of the factor prices have adjusted to output gaps. In the long run, real gdp is solely determined by y*, the role of aggregate demand is only to determine the price level. The only way for real gdp to increase in the long run is through growth in potential output: human capital, technological.

Related Questions

If aggregate demand shifts right then in the short run:

a. firms will increase production. In the long run, increased price expectations shift the short-run aggregate supply curve to the left.

b. firms will increase production. In the long run, increased price expectations shift the short-run aggregate supply curve to the right.

c. firms will decrease production. In the long run, increased price expectations shift the short-run aggregate supply curve to the left.

d. firms will decrease production. In the long run, increased price expectations shift the short-run aggregate supply curve to the right.

redraven98

In the AD-AS model, stagflation does not persist, because the working of the self-correcting mechanism of the economy _____ the level of output and _____ the price level until the economy eventually returns to a long-run equilibrium state, where actual output _____ potential output.

	decreases; decreases; falls short of
	increases; decreases; equals
	decreases; increases; exceeds
	decreases; increases; equals
	increases; decreases; exceeds

The LRAS curve is drawn as a vertical line at potential output (Y*) to indicate that

	Y* is independent of the price level and that actual output Y > Y* in the long run
	Y* equals actual output (Y) in the long run
	Y* is independent of the price level and that actual output Y = Y* in the long run
	Y* is independent of the price level
	Y* is independent of the price level and that actual output Y < Y* in the long run

Stagflation arises in the context of the AD-AS model when some external factor causes

	the LRAS curve to shift to the right
	the AD curve to shift leftwards
	the SRAS curve to shift downwards
	the SRAS curve to shift upwards
	the AD curve to shift rightwards

If the SRAS curve is positively sloped, then a decrease in the demand for Canadian-made goods in Europe will lead to _____ in the price level, in the short run.

	either an increase or a decrease
	no change
	an increase
	a decrease
	an initial increase, and then a decrease

Which of the following will shift the aggregate demand curve to the right?

	Consumers become pessimistic about the future
	A new technology is developed that will increase profits
	Income taxes are raised
	Foreign economies fall into recession, reducing their demand for domestic exports
	The government reduces purchases to balance the budget

Suppose a stock market crash decreases the stock of household wealth and therefore causes autonomous consumption to fall. Which of the following is the likely result?

	A leftward shift the AD curve
	There will be no movement of the AD curve
	A movement down the AD curve
	A movement up the AD curve
	A rightward of the shift the AD curve

An economy is characterized by the AD equation P = 200 ? 0.02Y, SRAS equation P = 100 and LRAS equation Y* = 5000. In the absence of any change in policy or exogenous shocks, this economy will achieve a long-run price level of

	100
	110
	120
	90
	105

The AD-AS model depicts a self-correcting economy. This means that the price level in the model adjusts automatically in response to a(n) _____ gap, so as to eliminate the _____ gap in the long run, without requiring any help from government policies.

	recessionary; recessionary
	recessionary; expansionary
	expansionary; expansionary
	output; output
	expansionary; recessionary

The aggregate demand curve shows

	the amount of planned aggregate expenditure (and output) at the current price level
	the amount of planned aggregate expenditure (and output) at an average price level
	the amount of planned aggregate expenditure (and output) at a constant price level
	the amount of planned aggregate expenditure (and output) at various price levels
	the amount of planned aggregate expenditure (and output) at last year's price level

Consider an economy initially at long-run equilibrium with output (Y) equal to potential output (Y*). If the SRAS is positively sloped, then a shift to the right of the AD curve will lead to _____ in the price level, in the short run. In the long run, the SRAS curve will shift to the _____ and the equilibrium will be at __________.

	an increase; left; Y = Y*
	a decrease; right; Y > Y*
	an increase; right; Y = Y*
	a decrease; left; Y > Y*
	no change; left; Y = Y*

Explain whether each of the following statements is true or false, justifying your response.

The short-run aggregate supply (SAS) curve slopes upward because households spend more as their incomes increase.

The long-run aggregate supply curve can never shift.

Either a decrease in the nominal money supply by the Federal Reserve, all else held constant, or an increase in the price level, all else held constant, will shift the aggregate demand (AD) curve to the left.

The Keynesian portion of the short-run aggregate supply (SAS) curve would be relevant during a recessionary situation.

Stagflation occurs when the aggregate demand (AD) curve shifts out on the upward sloping portion of the short-run aggregate supply (SAS) curve.

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ECON 1110 Lecture Notes - Lecture 12: Aggregate Demand, Stagflation, Output Gap

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