In an article in the North Texas Star Telegram (June 1, 2007), it was noted that no gasoline refineries had been built in the U.S. in 30 years and as a result, the U.S. was importing ever- increasing amounts of gasoline.
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The article reflects the fact that

Question

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The fact that the U.S. is importing increasing amounts of gasoline indicates that other countries have a comparative advantage in producing gasoline. This means that they can produce gasoline at a lower opportunity cost than the U.S., making it more efficient for the U.S. to import gasoline than to produce it domestically. However, this does not necessarily mean that other countries have an absolute advantage in producing gasoline, as the U.S. may still be able to produce gasoline, but not as efficiently as other countries. The information in the article does not provide any indication of changes in the PPF for either the U.S. or other countries.

In an Article in the North Texas Star Telegram (June