April 24, 2017 - Phillips Curve/Laffer Curve

10:53 PM

In the short run: the Phillips curve represents a trade-off between inflation and unemployment

  • As inflation increases, unemployment decreases 
Each point on the Phillips Curve corresponds to a different level of output.

Long run Phillips curve: 
  • it occurs on the natural rate of unemployment, 
  • it is represented by a vertical line. 
  • There is no tradeoff between inflation and unemployment 
  • the economy produces at a full ouput level 
  • The LRPC (Long run phillips curve) will only shift if the LRAS curve shifts. 
  • Increases in unemployment, it will shift LRPC ->
  • Decreases in unemployment, it will shift LRPC 

Supply side Economics/ Reaganomics: to stimulate active policy, to stimulate  , to work save and invest

includes tax cuts, which increases disposable income

Laffer curve: it displays the theoretical relationship between tax rates and government revenue

Criticisms of the Laffer Curve:
  1. Empirical evidence suggests that the impact of tax rates on incentives to work, save, and invest are small. 
  2. Tax cuts also increase demand which can fuel inflation 
  3. Where the economy is actually located on the curve is difficult to determine 

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