Suppose Gilligan and Marianne are shipwrecked on opposite sides of an uncharted desert isle. They catch fish and pick berries to survive, using the 12 hours per day of available daylight. An economist hidden in the bushes observes the following rates of food production:
Castaway 1 Quart Berries 1 Fish
Marianne 1 hour 1 hour
Gilligan 1.5 hours 3 hours
Question 21 (4 points): Does either of our two castaways have an absolute advantage in berry picking? How about in fishing?
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Now imagine that Gilligan and Marianne meet one day and compare their production possibilities. They decide to combine their efforts, and to take advantage of specialization and trade to increase their production and consumption.
Question 22 (8 points): Calculate the opportunity costs for each of our castaways:
Opportunity Cost of:
1 Quart Berries 1 Fish
Marianne ____________ ________
Gilligan ____________ ________
Question 23 (4 points): Who has the comparative advantage in fishing? How about berry picking?
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Question 24 (4 points): How might the two castaways divide their efforts to increase production?
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