Changes in the autonomous expenditure .

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Chapter 12, Problem 12.4.6PA

To determine

Changes in the autonomous expenditure.

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5:06 A & & & P M Page 4 of 5 QUESTION 4 The figure below shows the planned Aggregate Expenditure function for a hypothetical economy (AEp = 1,000 + 0.5 * Y). In this economy, taxes and transfers are equal to zero, so YD =Y. What is the value of unplanned investment expenditure (Iµ) when GDP = 3,000? Suppose that, next period, autonomous consumption increased by 100 and every thing else remained the same. Under these new circumstances, what would the value of unplanned investment be when GDP = 3,000? 5,000 4, 500 4, 000 3, 500 3,000 AEp = 1,000 + 0.5*Y 2, 500 2000 1, 500 1,a00 500 500 1,000 1, 500 2,000 2 500 3,000 3,500 4,000 4,500 5,000 REAL GDP Page 5 of 5 QUESTION A5 a. Suppose that some kind of significant economic event has occurred, and you learn that the event will de finitely cause the aggregate price level to decrease, but that its effect on short-run equilibrium real GDP cannot be determined without knowing the exact PLANNED AGGREGATE EXPENDITURE

Question 45 5 pts Potential GDP equals $500 billion. The economy is currently producing GDP equal to $400 billion. If the MPC is 0.52, then autonomous spending must change by $ billion for the economy to move to potential GDP? Please round to two decimal places where needed. Question 46 5 pts Suppose Ford plans to produce 9.2 million trucks this year. The company expects to sell 7.5 million. Suppose that at the end of the year, Ford has sold 7.3 million trucks. What is the level of planned inventories? Please round to the nearest one-decimal and enter as millions. For example, if your answer was 4,500,000 you would enter the number 4.5. Question 47 5 pts An economy sees consumption increase by $2,792 million when disposable income increases by $4,770. Assuming the marginal propensity to consume remains constant, what is the marginal propensity to save? Please round to the closest two decimal places.

Deriving and exploring the total expenditures curve The following graph shows total production (TP) and the level of Natural Real GDP (NRGDP) for a hypothetical economy. When Real GDP is $350 billion, consumption is $300 billion, government purchases are $25 billion, and investment is $50 billion. When Real GDP is $400 billion, consumption is $325 billion, government purchases are $25 billion, and investment is $50 billion. Use the blue line (circle symbol) to plot the economy's total expenditure function within a simplified Keynesian framework. (?) The economy is in equilibrium when Real GDP is? [$425 billion, $400 billion, $350 billion, or $375 billion] At this point, the economy is also in? [Says Paradox, a recessionary gap, or an inflationary gap] which of the following did Keynes argue would be needed to move the economy to the equilibrium at Natural Real GPD? Check all that apply. - An increase in investment A decrease in government purchases - A decrease in consumption - An…