Macroeconomics (Book Only)
Macroeconomics (Book Only)
12th Edition
ISBN: 9781285738314
Author: Roger A. Arnold
Publisher: Cengage Learning
Question
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Chapter 14, Problem 1VQP
To determine

The changes in price level using equation of exchange.

Expert Solution & Answer
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Explanation of Solution

According to the monetarists, the general equation of exchange is MV=PQ, in which M is the money supply, V is the velocity of circulating money, P is the price level, and Q is the real GDP. The price can be calculated as P=MVQ. This means, the changes in M, V or Q will affect the price. When money supply (M) or velocity of money (V) decreases, or increases, the quantity (Q) will reduce the price and vice versa.

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Suppose gold (G) and silver (S) are substitutes for each other because both serve as hedges against inflation. Suppose also that the supplies of both are fixed in the short run (Q = 90 and Q = 300) and that the demands for gold and silver are given by the following equations: PG = 990 - Qg +0.50PS and Ps = 630 -Qs +0.50PG What the the equilibrium prices of gold and silver? The equilibrium price of gold is $ 1420 and the equlibrium price of siliver is $ 1040. (Enter your responses rounded to two decimal places.) What if a new discovery of gold doubles the quantity supplied to 180? How will this discovery affect the prices of both gold and silver? The equilibrium price of gold will be $ and the equlibrium price of siliver will be $
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