please elaborate. thanks.

Macroeconomics
13th Edition
ISBN:9781337617390
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter16: Expectations Theory And The Economy
Section16.5: Looking At Things From The Supply Side: Real Business Cycle Theorists
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please elaborate. thanks.

THE LOCATION OF THE SRAS CURVE DEPENDS ON
THE EXPECTED INFLATION RATE, SINCE WHETHER
FIRMS ARE FOOLED DEPENDS ON THE INFLATION
RATE THEY EXPECT TO PREVAIL. WHEN THEY ARE
WRONG, THE ECONOMY MAY BE LOCATED AT A
POINT ON THE SRAS CURVE, RATHER THAN THE
LRAS CURVE.
AS INFLATION EXPECTATIONS ADJUST, THE SRAS
CURVE SHIFTS.
HIGHER EXPECTED INFLATION CAUSES THE SRAS CURVE
TO SHIFT TO THE LEFT.
FOR A GIVEN PRICE LEVEL, HIGHER INFLATION MEANS
LOWER RELATIVE PRICES, SO FIRMS PRODUCE LESS.
Transcribed Image Text:THE LOCATION OF THE SRAS CURVE DEPENDS ON THE EXPECTED INFLATION RATE, SINCE WHETHER FIRMS ARE FOOLED DEPENDS ON THE INFLATION RATE THEY EXPECT TO PREVAIL. WHEN THEY ARE WRONG, THE ECONOMY MAY BE LOCATED AT A POINT ON THE SRAS CURVE, RATHER THAN THE LRAS CURVE. AS INFLATION EXPECTATIONS ADJUST, THE SRAS CURVE SHIFTS. HIGHER EXPECTED INFLATION CAUSES THE SRAS CURVE TO SHIFT TO THE LEFT. FOR A GIVEN PRICE LEVEL, HIGHER INFLATION MEANS LOWER RELATIVE PRICES, SO FIRMS PRODUCE LESS.
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