Lectures in Macroeconomics- Charles W. Upton Qualifications to the Quantity Theory.
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Transcript of Lectures in Macroeconomics- Charles W. Upton Qualifications to the Quantity Theory.
Lectures in Macroeconomics- Charles W. Upton
Qualifications to the Quantity Theory
P
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Qualifications to the Quantity Theory
The Neutrality of Money
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Money is Neutral
Qualifications to the Quantity Theory
The Neutrality of Money
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Money is Neutral(But not always)
Qualifications to the Quantity Theory
A Little Change
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Suppose we modify our
assumption, so that there are assets denominated in money terms.
Qualifications to the Quantity Theory
Effects on the Y curve
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The Y curve still shifts up and to
the right
Qualifications to the Quantity Theory
Effects on the M curve
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The M curve still shifts up and to the left
Qualifications to the Quantity Theory
Equilibrium
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The price level will be higher. The effect on the interest rate is uncertain.
Qualifications to the Quantity Theory
Conclusions
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M’This is one case when the quantity theory does not work perfectly. Money is not exactly neutral
Qualifications to the Quantity Theory
Conclusions
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M’This is one case when the quantity theory does not work perfectly. Money is not exactly neutral
Given time for things to adjust, it works
very well.
Qualifications to the Quantity Theory
Another Exception
• The Christmas Eve Caper becomes permanent
• Distributions no longer in proportion to money holdings.
• There will come a day when people realize this is permanent.
Qualifications to the Quantity Theory
Changes in Expectations
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Changed inflationary expectations changes ηe and hence rn.
M curve shifts to M”
Qualifications to the Quantity Theory
The Friedman Surge
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Thus even higher inflation, the Friedman surge.
Qualifications to the Quantity Theory
Rational Expectations
tett
Inflationary Expectations Include all Information
Qualifications to the Quantity Theory
Rational Expectations
tett
Inflationary Expectations Include all Information
Qualifications to the Quantity Theory
How to measure e
• US Treasury Rate
rN rR + e
• Rate on Indexed Bonds
rR
• Difference is e