4. The opportunity cost of shifting production choices The following graph shows the production possibilities curve (PPC) of an economy that produces drinking water and coal. The black points (plus symbols) represent three possible output levels in a given month. You can click on the points to see their exact coordinates. 32 26 24 PPC 10 30 21 50 DRINKING WATER (Millions of gallons) 40 70 20 (?) Suppose the economy initially produces 30 million gallons of drinking water and 20 million tons of coal, which is represented by point A. The opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at point B rather than at point A) tons of coal. is Suppose, instead, that the economy currently produces 40 million gallons of drinking water and 16.8 million tons of coal, which is represented by point B. Now the opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at point C rather than at point B) is tons of coal. Comparing your answers in the previous questions suggests that the opportunity cost of producing 10 million additional gallons of drinking water at point B is the opportunity cost of producing 10 million additional gallons of drinking water at point A. This reflects the

ECON MACRO
5th Edition
ISBN:9781337000529
Author:William A. McEachern
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Chapter2: Economic Tools And Economic Systems
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Problem 3.6P
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Comparing your answers in the previous questions suggests that the opportunity cost of producing 10 million additional gallons of drinking water at point B is ________(choose between these: less than, greater than or equal to) . 

and

the opportunity cost of producing 10 million additional gallons of drinking water at point A. This reflects the (choose between: notion that countries can gain from trade, fact that resources are scarce or law of increasing opportunity costs)  .

 

 

 

 

 

4. The opportunity cost of shifting production choices
The following graph shows the production possibilities curve (PPC) of an economy that produces drinking water and coal. The black
points (plus symbols) represent three possible output levels in a given month. You can click on the points to see their exact
coordinates.
COAL (Millions of tons)
26
24
PPC
10
21
50
DRINKING WATER (Millions of gallons)
30
40
70
(?)
Suppose the economy initially produces 30 million gallons of drinking water and 20 million tons of coal, which is represented by point A.
The opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at point B rather than at point A)
tons of coal.
is
Suppose, instead, that the economy currently produces 40 million gallons of drinking water and 16.8 million tons of coal, which is
represented by point B. Now the opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at
point C rather than at point B) is
▼tons of coal.
Comparing your answers in the previous questions suggests that the opportunity cost of producing 10 million additional gallons of
drinking water at point B is
the opportunity cost of producing 10 million additional gallons of drinking water at point A.
This reflects the
Transcribed Image Text:4. The opportunity cost of shifting production choices The following graph shows the production possibilities curve (PPC) of an economy that produces drinking water and coal. The black points (plus symbols) represent three possible output levels in a given month. You can click on the points to see their exact coordinates. COAL (Millions of tons) 26 24 PPC 10 21 50 DRINKING WATER (Millions of gallons) 30 40 70 (?) Suppose the economy initially produces 30 million gallons of drinking water and 20 million tons of coal, which is represented by point A. The opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at point B rather than at point A) tons of coal. is Suppose, instead, that the economy currently produces 40 million gallons of drinking water and 16.8 million tons of coal, which is represented by point B. Now the opportunity cost of producing an additional 10 million gallons of drinking water (that is, producing at point C rather than at point B) is ▼tons of coal. Comparing your answers in the previous questions suggests that the opportunity cost of producing 10 million additional gallons of drinking water at point B is the opportunity cost of producing 10 million additional gallons of drinking water at point A. This reflects the
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