Production Possibilities in the Macro
Economy
Study Questions
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1. What fosters
long-run economic growth?
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2. What can a
society do to get the economy to grow faster?
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3. What
conditions could lead to long-run economic decline?
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4. Why is
society’s institutional PPC at lower output levels than its physical PPC?
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5. What is the principal economic problem in an
underperforming economy?
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6. What is the principal economic problem in an
overheated economy?
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7. What is the main objection to a
self-correcting economy?
Society and the PPC
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Which combination of capital goods and consumer
goods best suits its current and future wants and needs of society?
Society’s Trade-off
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If society increases production of capital
goods, it must decrease production of consumer goods, and vice versa.
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Capital goods are resources, so the economy
grows faster if it emphasizes capital goods over consumer goods.
Long-Run Economic Growth
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Society’s PPC pushes outward.
¨ Increased
resource availability.
¨ Technological
advancement.
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Standard of living improves.
Long-Run Economic Decline
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Society’s PPC pushes inward.
¨ Decreased
resource availability.
n War
n Natural
disaster
n Resource
quality degradation.
¨ Technological
backwardness.
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Standard of living declines.
Short-Run Economic Problems
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The business cycle has periods of growth at
faster rates than the trend – recovery and prosperity – and periods of growth
at slower (or even negative) rates than the trend – recessions.
Fine Tuning Society’s PPC
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Society does not
desire to make all out (100%) use of its resources and technology:
¨ restricts the work week
¨ prohibits child and slave labor
¨ sets minimum wage requirements
¨ preserves natural resources
¨ bans the use of some resources and processes
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Society is
willing to make this trade-off of less production to get a better quality of
life.
The Institutional PPC
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The Institutional PPC is what society uses to
measure its full-employment goal.
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The Institutional PPC, therefore, is inside
(below) the Physical PPC – the output it could reach if it really went all out
in production.
Full-Employment Goal
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At full-employment, society has no cyclical
unemployment.
¨ At
or near the peak of the business cycle.
¨ Operating
at its Institutional PPC
Going into Recession
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Society moves away from its Institutional PPC
into the area of inefficiency.
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Idle resources, particularly idle workers,
increase.
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The economy is underperforming.
Going into Recession
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Sales decrease.
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Inventory
increases.
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Retailers cut
back on orders.
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Production begins
to fall (Real GDP decreases).
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Salespersons and
factory workers are laid off.
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Unemployment
rises.
Figure 10-7. Going into An Underperforming
Economy
Self-Correction in an Underperforming
Economy
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Correction occurs
when:
¨ In the product market, prices are marked down to move
unsold goods.
¨ Need for salespersons increases.
¨ When overstock is gone, retailers put in new factory
orders.
¨ Production increases.
¨ People laid off go back to work.
¨ Unemployment falls.
Self-Correction in an Underperforming
Economy
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Correction occurs
when:
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In the labor
market, a surplus of labor causes a downward pressure on wages
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Lower wages
prompt hiring increases..
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Unemployment
begins to fall, but very slowly.
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Businesses
reorganize and structural unemployment replaces cyclical unemployment.
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As the outlook
brightens, production increases.
¨
GDP increases.
¨
Hiring speeds up.
¨
Unemployment
falls.
Figure 10-8. Self-Correction out of an Underperforming economy
Going into an Overheated Economy
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Society wants to
buy more than the Institutional PPC can provide.
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Society attempts
to produce beyond its Institutional PPC.
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Resources,
particularly workers, become hard to find.
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Wages are bid up.
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Goods and
services are in shortage and their prices rise.
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The economy
overheats
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Inflation becomes
a big problem.
Going into an Overheated Economy
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Sales increase
too fast.
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Inventory is
depleted.
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Retailers
increase factory orders.
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Production
reaches maximum capacity
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More skilled
factory workers are needed, but none are available.
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Firms outbid each
other for existing skilled workers.
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Wages, prices,
and inflation rise.
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Unemployment
falls abnormally low.
Figure 10-10. Going into an Overheated
Economy
Self-Correction in an Overheated Economy
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Correction occurs
when:
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Rising wages of
workers and prices of resources increase operating costs and shrink profits.
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Hiring decreases.
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Firms begin to
cut back on production.
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As product prices
rise, previously overeager buyers leave the market.
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Sales fall.
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GDP falls.
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Society retreats
back to its Institutional PPC.
¨
Unemployment
rises to the full-employment level.
Figure 10-11. Self-correction out of an
Overheated Economy
An Economic Role for Government?
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It takes a long
time for self-correction to cure the economy’s problems.
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Modern society
becomes impatient. It wants results now.
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Society petitions
government to step in and “fix” the economy….to solve the problem.
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Government
responds by formulating policies to hurry the correction along.