Inflation & unemployment
Types of Unemployment:





Frictional Unemployment:
Unemployment caused
when people move from job to job
and claim ben...
Types of Unemployment:






Structural Unemployment:
Unemployment caused
as a result of the decline of industries and...





CYCLICAL UNEMPLOYMENT:
Caused by a general lack of demand in
the economy – this type
of unemployment
may be widesp...
Okun’s Law:



1.
2.
3.

4.

This law states that 1 extra point of
unemployment costs 2%of GDP
Consequences of unemploym...
Inflation & Phillips curve:
The inflation rate is the
percentage change in the price
level.
 The Phillips Curve shows the...
Causes of Inflation:


•

Demand-pull inflation is inflation
initiated by an increase in aggregate
demand.
Cost-push, or ...
Demand pull :
Increase in AD can
be due to a fiscal or
monetary policy,
thus increasing
prices
Cost push:
Upward shift of the
AS will be due to
increase in costs due
to increase in price of
inputs.
Stagflation:




Stagflation occurs when output is
falling at the same time that prices are
rising.
One possible cause o...
Combination of both:
Costs of inflation:









Redistribution of income and wealthborrowers gain and creditors lose.fixed
income earner...
Philips Curve:




It is a statistical relationship between
unemployment and money wage
inflation.
Rate of inflation= ra...
Phillips Curve:







1958 – Professor A.W. Phillips
Expressed a statistical relationship between
the rate of growth
...


The Philips Curve

Wage growth %
(Inflation)

The Phillips Curve shows an
inverse relationship between
inflation and un...












The curve crosses the horizontal axis at a positive
value of unemployment. Hence it is not possible to
h...
Long run Phillips curve:



dp/dt = f(1/u) + dpe/dt
To keep unemployment below the natural
rate, inflation must keep on ...







the inflation augmented Philips curve is
given by the eqn :
π =πe -∈(U – U* )
expected inflation is passed on t...
The Philips Curve
To counter the rise in unemployment,
government once again injects resources
into the economy – the resu...




7% becomes the natural rate in this
case.
Whenever unemployment rate is
pushed below natural rate , wages
increase, ...
Countering inflation:
Demand -pull

Reduce demand by higher taxation, lower govt.
expenditure, lower govt borrowing, highe...
Controlling inflation (cont)
Excessive
growth on
money supply

Reduce money supply by cutting down on public
sector borrow...
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Inflation+&+unemployment

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Inflation+&+unemployment

  1. 1. Inflation & unemployment
  2. 2. Types of Unemployment:    Frictional Unemployment: Unemployment caused when people move from job to job and claim benefit in the meantime The quality of the information available for job seekers is crucial to the extent of the seriousness of frictional unemployment
  3. 3. Types of Unemployment:     Structural Unemployment: Unemployment caused as a result of the decline of industries and the inability of former employees to move into jobs being created in new industries Seasonal Unemployment: Unemployment caused because of the seasonal nature of employment – tourism, agriculture, sports etc.
  4. 4.    CYCLICAL UNEMPLOYMENT: Caused by a general lack of demand in the economy – this type of unemployment may be widespread across a range of industries and sectors Keynes saw unemployment as primarily a lack of demand in the economy which could be influenced by the government
  5. 5. Okun’s Law:   1. 2. 3. 4. This law states that 1 extra point of unemployment costs 2%of GDP Consequences of unemployment: Loss of potential output Loss of human capital Increasing inequalities and distribution of income Social costs
  6. 6. Inflation & Phillips curve: The inflation rate is the percentage change in the price level.  The Phillips Curve shows the relationship between the inflation rate and the unemployment rate. 
  7. 7. Causes of Inflation:  • Demand-pull inflation is inflation initiated by an increase in aggregate demand. Cost-push, or supply-side, inflation is inflation caused by an increase in costs.
  8. 8. Demand pull : Increase in AD can be due to a fiscal or monetary policy, thus increasing prices
  9. 9. Cost push: Upward shift of the AS will be due to increase in costs due to increase in price of inputs.
  10. 10. Stagflation:   Stagflation occurs when output is falling at the same time that prices are rising. One possible cause of stagflation is an increase in costs.
  11. 11. Combination of both:
  12. 12. Costs of inflation:      Redistribution of income and wealthborrowers gain and creditors lose.fixed income earners lose. Balance of payments effect- exports become expensive. Hence exchange rate depreciates. Uncertainty about the value of money Resource cost of changing prices – menu costs Economic growth and investment suffers
  13. 13. Philips Curve:   It is a statistical relationship between unemployment and money wage inflation. Rate of inflation= rate of wage growth less rate of productivity growth.
  14. 14. Phillips Curve:     1958 – Professor A.W. Phillips Expressed a statistical relationship between the rate of growth of money wages and unemployment from 1861 – 1957 Rate of growth of money wages linked to inflationary pressure Led to a theory expressing a trade-off between inflation and unemployment
  15. 15.  The Philips Curve Wage growth % (Inflation) The Phillips Curve shows an inverse relationship between inflation and unemployment. It suggested that if governments wanted to reduce unemployment it had to accept higher inflation as a trade-off. 2.5% Money illusion – wage rates rising but individuals not factoring in inflation on real wage rates. 1.5% 4% 6% PC1 Unemployment (%)
  16. 16.       The curve crosses the horizontal axis at a positive value of unemployment. Hence it is not possible to have zero inflation and zero unemployment The concave shape implies that lower the level of unemployment higher the rate of inflation. Govt. should be able to use demand management policies to take the economy to acceptable levels of inflation and unemployment. In order to achieve full employment, some inflation is unavoidable. However, this relationship broke down at the end of 1960s when Britain began to experience rising inflation and unemployment. This raised a question on the application of Phillips curve in the long run.
  17. 17. Long run Phillips curve:   dp/dt = f(1/u) + dpe/dt To keep unemployment below the natural rate, inflation must keep on increasing every year. In the long run Philips curve will be vertical at the rate of unemployment where real aggregate demand equals real aggregate supply. This rate is called the natural rate of unemployment. It is also called NAIRU or Lowest sustainable unemployment rate (LSUR).
  18. 18.     the inflation augmented Philips curve is given by the eqn : π =πe -∈(U – U* ) expected inflation is passed on to real inflation unemployment is at the natural rate when actual unemployment equals expected inflation
  19. 19. The Philips Curve To counter the rise in unemployment, government once again injects resources into the economy – the result is a shortThere is athe economy starts with an inflation rate of Assume in unemployment but higher term fallshort term fall in unemployment but at a cost of higherhigh unemployment at 7%. 1% but very inflation. Individuals now base inflation. This higher inflation fuelstheir further wage negotiations on expectations of higher inflation Government takes measures to reduce expectation ofIfhigherwages are grantedso the in the next period. an expansionary fiscal policy unemployment by higher inflation and then firms pushes AD to thestart to shed labour and that costs rise – they right (see the run process continues. The longAD/ASPhillips unemployment creeps back up to 7% again. diagram on slide 15) Curve is vertical at the natural rate of unemployment. This is how economists have explained the movements in the Phillips Curve and it is termed the Expectations Augmented Phillips Curve. Long Run PC  inflation 3.0% 2.0% 1.0% PC1 7% PC3 PC2 Unemployment
  20. 20.   7% becomes the natural rate in this case. Whenever unemployment rate is pushed below natural rate , wages increase, pushing up costs. This leads to a lower level of output which pushes unemployment back to the natural rate.
  21. 21. Countering inflation: Demand -pull Reduce demand by higher taxation, lower govt. expenditure, lower govt borrowing, higher interest rates Cost push Take steps to reduce production costs by deregulating labour markets, encouraging greater productivity, apply control over wages and prices Import factors reduce quantity of imports or their prices via trade policies.
  22. 22. Controlling inflation (cont) Excessive growth on money supply Reduce money supply by cutting down on public sector borrowing Funding Govt borrowing from non bank Reduce bank lending Maintain interest rates Expectations of inflation Pursue policies which indicate Govt’s determination to reduce inflation
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