TPO64听力Lecture1原文+MP3+题目+答案下载

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TPO64听力Lecture1原文+MP3+题目+答案下载

TPO64听力Lecture1原文：

Listen to part of a lecture in an economics class. The professor has been talking about international trade.

Professor:

Okay, so let’s recap from yesterday. Why do nations engage in international trade? Well, it’s often because they have a surplus, more than they need. and they also trade for the opposite reason, when they have shortages and can’t produce everything they want or need domestically. So these explanations are good as far as they go, but there’s another scenario we need to discuss and that is: What if a country is capable of producing something it wants or needs but it can also import that same product from another country? Now, how does the country decide whether to make the product itself or import it?

Okay, take an example, think about the bananas that you buy in the supermarket, if you look closely you’ll see that most bananas in the United States are imported, imported from countries with tropical climates. But the United States has warm regions, it has green houses, clearly it would be possible to grow bananas here. So why doesn’t the U.S. do that? Scott?

Student:

Well, it’s like a lot cheaper and more efficient for countries with tropical climates, for tropical countries to grow bananas isn’t? I mean they don’t need green houses to grow bananas and they’re not so limited to certain regions.

Professor:

Okay, good. That’s exactly right. Tropical countries have what we call an “absolute advantage” in producing bananas. Absolute advantage is the term we use when a country can produce more of a product using fewer resources. They’re the most efficient producer of something, and the United States can’t beat that with bananas so it’s better off specializing in other goods that it can make more efficiently. Let’s take an example. Say we have two countries and say they each make two products and they trade only with each other. Simplistic I know, but, well, you’ll see where I’m going with this in a moment. Okay, so, as I was saying, two countries, two products. One country can produce both products more efficiently than the other country. Should these two countries even trade at all?

Student:....一下原文已省略！

TPO64听力Lecture1题目：

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