3. The components of marginal revenue Kevin's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Kevin produced eight fire engines, but he has decided to increase production to nine fire engines. The following graph shows the demand curve Kevin faces. As you can see, to sell the additional engine, Kevin must lower his price from $80,000 to $40,000 per fire engine. Note that although Kevin gains revenue from the additional engine he sells, hei also loses revenue from the initial eight engines because he sells them all at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial eight engines by selling at $40,000 rather than $80,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $40,000 (30 160 140 120 100 80 20 Kevin B 1 1 3 A 6 5 QUANTITY (Fire engnes) Demand B Y 010 Revenue Lost Revenue Gained increase production from 8 to 9 fire engines, because revenue gained is than revenue lost in this scenario.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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True or False: If Kevin's Fire Engines were a competitive firm instead and $80,000 were the market price for an engine, decreasing its price from
$80,000 to $40,000 would result in an increase in production quantity and total revenue.
O True
O False
Transcribed Image Text:True or False: If Kevin's Fire Engines were a competitive firm instead and $80,000 were the market price for an engine, decreasing its price from $80,000 to $40,000 would result in an increase in production quantity and total revenue. O True O False
3. The components of marginal revenue
Kevin's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Kevin produced eight fire engines, but he has decided
to increase production to nine fire engines. The following graph shows the demand curve Kevin faces. As you can see, to sell the additional engine,
Kevin must lower his price from $80,000 to $40,000 per fire engine. Note that although Kevin gains revenue from the additional engine he sells, he
also loses revenue from the initial eight engines because he sells them all at the lower price.
Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial eight engines by selling at $40,000 rather
than $80,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at
$40,000
PRICE (Thousands of dollars per fre engine)
28 29 & & & & & &
200
160
140
120
100
Kevin
B
0
1
4
S
6
Y
QUANTITY (Fire engnes);
a
Demand
9 10
Revenue Lost
Revenue Gained
increase production from 8 to 9 fire engines, because revenue gained is
than revenue lost in this scenario.
Transcribed Image Text:3. The components of marginal revenue Kevin's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Kevin produced eight fire engines, but he has decided to increase production to nine fire engines. The following graph shows the demand curve Kevin faces. As you can see, to sell the additional engine, Kevin must lower his price from $80,000 to $40,000 per fire engine. Note that although Kevin gains revenue from the additional engine he sells, he also loses revenue from the initial eight engines because he sells them all at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial eight engines by selling at $40,000 rather than $80,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $40,000 PRICE (Thousands of dollars per fre engine) 28 29 & & & & & & 200 160 140 120 100 Kevin B 0 1 4 S 6 Y QUANTITY (Fire engnes); a Demand 9 10 Revenue Lost Revenue Gained increase production from 8 to 9 fire engines, because revenue gained is than revenue lost in this scenario.
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