For example, the sticky-price theory asserts that the output prices of some goods and services adjust slowly to changes in the price level. Sup firms announce the prices for their products in advance, based on an expected price level of 100 for the coming year. Many of the firms sell thei goods through catalogs and face high costs of reprinting if they change prices. The actual price level turns out to be 90. Faced with high menu c the firms that rely on catalog sales choose not to adjust their prices. Sales from catalogs will , and firms that rely on cal

Microeconomic Theory
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ISBN:9781337517942
Author:NICHOLSON
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Chapter12: The Partial Equilibrium Competitive Model
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Problem 12.14P
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For example, the sticky-price theory asserts that the output prices of some goods and services adjust slowly to changes in the price level. Suppo
firms announce the prices for their products in advance, based on an expected price level of 100 for the coming year. Many of the firms sell their
goods through catalogs and face high costs of reprinting if they change prices. The actual price level turns out to be 90. Faced with high menu cost
the firms that rely on catalog sales choose not to adjust their prices. Sales from catalogs will
, and firms that rely on catal
will respond by
▼ the quantity of output they supply. If enough firms face high costs of adjusting prices, the unexpected decrease in
price level causes the quantity of output supplied to
the natural level of output in the short run.
Suppose the economy's short-run aggregate supply (AS) curve is given by the following equation:
Quantity of Output Supplied = Natural Level of Output + ax (Price Level Actual Price Level Expected)
The Greek letter a represents a number that determines how much output responds to unexpected changes in the price level. In this case, assume
that a = $4 billion. That is, when the actual price level exceeds the expected price level by 1, the quantity of output supplied will exceed the natur
level of output by $4 billion.
Suppose the natural level of output is $40 billion of real GDP and that people expect a price level of 100.
On the following graph, use the purple line (diamond symbol) to plot this economy's long-run aggregate supply (LRAS) curve. Then use the orange
line segments (square symbol) to plot the economy's short-run aggregate supply (AS) curve at each of the following price levels: 90, 95, 100, 105
and 110.
PRICE LEVEL
125
120
115
110
105
100
95
90
85
80
75
0
10
+
20
+
30 40 50 60 70
OUTPUT (Billions of dollars)
80 90 100
O
AS
LRAS
?
The short-run quantity of output supplied by firms will rise above the natural level of output when the actual price level
the price
Transcribed Image Text:For example, the sticky-price theory asserts that the output prices of some goods and services adjust slowly to changes in the price level. Suppo firms announce the prices for their products in advance, based on an expected price level of 100 for the coming year. Many of the firms sell their goods through catalogs and face high costs of reprinting if they change prices. The actual price level turns out to be 90. Faced with high menu cost the firms that rely on catalog sales choose not to adjust their prices. Sales from catalogs will , and firms that rely on catal will respond by ▼ the quantity of output they supply. If enough firms face high costs of adjusting prices, the unexpected decrease in price level causes the quantity of output supplied to the natural level of output in the short run. Suppose the economy's short-run aggregate supply (AS) curve is given by the following equation: Quantity of Output Supplied = Natural Level of Output + ax (Price Level Actual Price Level Expected) The Greek letter a represents a number that determines how much output responds to unexpected changes in the price level. In this case, assume that a = $4 billion. That is, when the actual price level exceeds the expected price level by 1, the quantity of output supplied will exceed the natur level of output by $4 billion. Suppose the natural level of output is $40 billion of real GDP and that people expect a price level of 100. On the following graph, use the purple line (diamond symbol) to plot this economy's long-run aggregate supply (LRAS) curve. Then use the orange line segments (square symbol) to plot the economy's short-run aggregate supply (AS) curve at each of the following price levels: 90, 95, 100, 105 and 110. PRICE LEVEL 125 120 115 110 105 100 95 90 85 80 75 0 10 + 20 + 30 40 50 60 70 OUTPUT (Billions of dollars) 80 90 100 O AS LRAS ? The short-run quantity of output supplied by firms will rise above the natural level of output when the actual price level the price
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