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Businesscycles 120127094743-phpapp02
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Transcript of Businesscycles 120127094743-phpapp02
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BUSINESS CYCLES
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The business cycle is the upward and downward movement of economic activity or real GDP that occurs around the growth trend.
Since the late 1940s, :Downturns and panics have generally been less severe. The duration of business cycles has
increased. The average length of expansions has
increased while the average length of contractions has decreased.
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The Phases of the Business Cycle A peak is the top of the business
cycle. A trough is the bottom of the
business cycle. A boom is a very high peak. A downturn is when economic
activity starts to fall from a peak. A upturn is when economic activity
starts to rise from a trough.
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The Phases of the Business Cycle
Hence the four main phases are: Recession Depression Recovery Boom Recession occurs faster while
recovery is a slower process.
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Cyclical nature:Boom
Secular growth trend
DownturnUpturn
Trough
Peak
GDP
time
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RECESSION: Consumer demand falls Investment already undertaken
appears unprofitable New investment is unlikely Production and employment fall General price level likely to fall DEPRESSION: In the absence of any stimulus, to
aggregate demand, depression sets in.
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RECOVERY: Business confidence returns Production, sales and profits increase Employment increases Price levels start increasing New technology is adopted BOOM: Output levels increase to go beyond
the trend to a boom.
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Full utilization of capacity High investment expenditure High profits High business expectations New investment is profitable
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Limits to the Business Cycles: Ceilings: When full employment level of output is
reached, total volume of output is restricted to limited availability of labour.
Floors: At its worst level, business confidence is
so low that there is no investment at all.
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ACCELERATOR & MULTIPLIER:
The level of investment depends on rate of change of national income
IT = a.dy IT = dk a = dk/dy a: accelerator coefficient
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If there is an initial injection, multiplier action will start, which will cause output to increase and hence through the accelerator, the investment will increase and setoff another chain of multiplier reaction.
If, however, the full employment level is reached and output cannot increase any further, the investment does not take place and the ceiling is reached.
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Multiplier & Accelerator:
Sales 1000 1000 2000 3000
3500 3500
3400
machines 10 10 20 30 35 35 34
Induced INV.
0 10 10 5 0 0
Replacement INV.
1 1 1 1 1 0
Total Inv.
1 11 11 6 1 0
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Indicators:indicator recovery boom
Industrial production.
Gradual increase
high
Commodity prices
-do- -do-
Cost of production
Increases but slower than commodity prices
Increase faster than recovery
profits satisfactory high
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Investment Replacement High
Employment Gradual increase
Rapid increase
Bank loans Liberal High demand for advances
Speculation Increases high
Inventory stocks
Fall Zero
Business failures
Rare Zero
Business expectations
Cautious but optimistic
optimistic
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Leading Indicators
Leading indicators tell us what's likely to happen in the economy 12 to 15 months from now.
The are indicators rather than predictors because they are only rough approximations of what’s likely to happen in the future.
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Indicators: Leading indicators include the following:
Average workweek for production workers in manufacturing.
Unemployment claims. New orders for consumer goods and
materials. Stock prices Residential construction Capacity utilization Interest rate spread. Changes in the money supply.
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Indicators:
Coincident indicators are business investment expenditure, industrial production
Lagging indicators are job vacancies, unit labour costs etc
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Procyclical vs countercyclical
Variables which move in the same direction as the GDP over the business cycles are procyclical.
E.g consumption Variables which move in the
opposite direction to GDP are countercyclical
E.g unemployment
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Variables:
Pro-cyclical Countercyclical
Industrial production Unemployment
Commodity prices Inventory stocks
Cost of production Business failures
Profits
Investment
Wages
Bank loans