Tunisia. Who has the lowest opportunity cost of producing sweaters and who has the lowest opportunity

cost of producing wine? Explain what it means to have a lower opportunity cost.

20. You just overheard your friend say the following: “Poor countries like Malawi have no absolute advantages.

They have poor soil, low investments in formal education and hence low-skill workers, no capital, and no

natural resources to speak of. Because they have no advantage, they cannot benefit from trade.” How

would you respond?

21. Look at Table 19.9. Is there a range of trades for which there will be no gains?

22. You just got a job in Washington, D.C. You move into an apartment with some acquaintances. All your

roommates, however, are slackers and do not clean up after themselves. You, on the other hand, can clean

faster than each of them. You determine that you are 70% faster at dishes and 10% faster with vacuuming.
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