Are Real and Nominal Interest Rates Identical in Monetary Policy Analysis?

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SUMMARY

The discussion centers on the relationship between real and nominal interest rates in the context of monetary policy analysis, specifically within the Money Supply-Money Demand framework. Participants assert that while the shapes of the curves for real and nominal interest rates may be identical under constant inflation, their values diverge when the money supply alters price levels. This divergence leads to a distortion of the original curve, emphasizing the importance of understanding the distinction between real and nominal rates in evaluating monetary policy effectiveness.

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  • Understanding of Money Supply-Money Demand curves
  • Knowledge of real vs nominal interest rates
  • Familiarity with inflation's impact on interest rates
  • Basic principles of monetary policy
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Economists, financial analysts, students of monetary policy, and anyone interested in the dynamics of interest rates and inflation.

Bipolarity
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In the Money Supply-Money Demand curve, the equilibrium interest rate is the real or nominal interest rate?

Or are they the same thing for the purposes of evaluating monetary policy?

BiP
 
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If monetary policy worked (which it doesn't) then they should be identical (in shape not necessarily in value) as inflation should be constant.
 
John Creighto said:
If monetary policy worked (which it doesn't) then they should be identical (in shape not necessarily in value) as inflation should be constant.

I see. What confuses me is that even if the shape is the same for both of them, once you change the money supply then price levels change, and that causes nominal interest rate to change but not real interest rate, effectively distorting the original curve in the context of real vs nominal interest rates.

BiP
 

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