FIGURE 28.7 Recessionary and inflationary expenditure gaps. The equilibrium and full-employment GDPS may not coincide. (a) A recessionary expenditure gap is the amount by which aggregate expenditures at the full-employment GDP fall short of those needed to achieve the full-employment GDP Here, the $5 billion recessionary expenditure gap causes a $20 billion negative GDP gap. (b) An iflationary expenditure gap is the amount by which aggregate expenditures at the full-employment GDP exceed those just sufficient to achieve the full-employment GDP. Here, the inflationary expenditure gap is $5 billion; this overspending produces demand-pull inflation. AE2 AE, AEo 530 AET 530 510 510 Recessionary expenditure gap = $5 billion Inflationary expenditure gap = $5 billion 490 490 Full Full 45° employment 45° employment 490 510 530 490 510 530 Real GDP Real GDP (а) Recessionary expenditure gap (b) Inflationary expenditure gap Aggregate expenditures (billio ns of dollars) Aggregate expenditures (billions of dollars)
FIGURE 28.7 Recessionary and inflationary expenditure gaps. The equilibrium and full-employment GDPS may not coincide. (a) A recessionary expenditure gap is the amount by which aggregate expenditures at the full-employment GDP fall short of those needed to achieve the full-employment GDP Here, the $5 billion recessionary expenditure gap causes a $20 billion negative GDP gap. (b) An iflationary expenditure gap is the amount by which aggregate expenditures at the full-employment GDP exceed those just sufficient to achieve the full-employment GDP. Here, the inflationary expenditure gap is $5 billion; this overspending produces demand-pull inflation. AE2 AE, AEo 530 AET 530 510 510 Recessionary expenditure gap = $5 billion Inflationary expenditure gap = $5 billion 490 490 Full Full 45° employment 45° employment 490 510 530 490 510 530 Real GDP Real GDP (а) Recessionary expenditure gap (b) Inflationary expenditure gap Aggregate expenditures (billio ns of dollars) Aggregate expenditures (billions of dollars)
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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(For students who were assigned Chapter 28) Use the aggregate expenditures model to show how government fiscal policy could eliminate either a recessionary expenditure gap or an inflationary expenditure gap (Figure 28.7). Explain how equal-size increases in G and T could eliminate a recessionary gap and how equal-size decreases in G and T could eliminate an inflationary gap.
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