money, monopoly, and market intervention, lecture 5 with robert murphy - mises academy
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Money, Monopoly & Market Intervention
Robert P. MurphyMises Academy
November 2, 2011
Lecture 5: 3rd Third of Chapter 11 of Man, Economy, and State
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3rd Third ofChapter 11 of MES
1. Equation of Exchange2. Money Not a Yardstick
3. “Stabilization”
IV. Biz Cycle Facts
V. Multiplier Take-Down
VI. Accelerator Take-Down
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I. Equation of Exchange
MV = PT
or
MV = PQ
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� “V” Worse than Others
Even though P and T are nonsense, at least they are independent concepts to be plugged into the equation. Not so with V.
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II. Money Not a Yardstick
Deep Mises quote:
Prices aren’t measured in money, they consist in money.
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III. “Stabilization”
Single indices of PPM arbitrary.
Why try to counteract market moves in PPM?
Austrians wary of term “price level.”
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�Fisher Idea FailedDuring 1920s
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IV. Biz Cycle Facts
●Boom then bust primarily in capital goods sectors
●Rising prices during boom then falling prices
●Apparent prosperity giving way to “excess capacity” including high unemployment
●Cluster of errors
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V. Multiplier Take-Down
Social Income = Consumption + Investment
Assume Consumption = 0.8 x Income
Income = 0.8(Income) + Investment0.2(Income) = InvestmentIncome = 5(Investment)
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� Multiplier (cont’d)
Social Income = Income of Reader + Income of Everybody Else
Note that Income of Everyone Else = 0.99999 x Social Income
Social Income = Income of Reader + 0.99999(Social Income)
0.00001(Social Income) = Income of ReaderSocial Income = 100,000(Income of Reader)
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VI. Accelerator Take-Down
●Hutt pointed out crucial time element in standard Keynesian story.
●Rothbard asks, why would businesspeople be so mechanical and dumb?