ECON 2 Lecture Notes - Lecture 2: Absolute Advantage, Comparative Advantage, Opportunity Cost

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11 Jan 2019
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Econ 2 lecture 2: international trade and gdp. Misconception: protectionism (the practice of enacting tariffs to protect your country"s industry) saves jobs. While it does theoretically save jobs in your country, the retaliation of other countries and the decrease in international trade generally does more harm than the benefits of protectionism. Misconception: it is bad to import goods, which contrasts with all the benefits of exporting. Importing is actually generally good (or else we wouldn"t do it!) Countries like the us take part in international trade rather than just producing everything themselves because of a concept known as comparative advantage. Basically, it ends up being more efficient for countries to specialize in producing certain goods, as will be explained down below. Opportunity cost refers to all of the possible benefit of the next-best alternative that you miss out on when you make a choice.

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