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    Swap: How Trade Works
    Swap: How Trade Works
    Swap: How Trade Works
    Ebook116 pages1 hour

    Swap: How Trade Works

    By Philip I. Levy and Claude Barfield

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    About this ebook

    A concise introduction to the principles of world economics, Swap is an easy-to-understand resource for a general audience. This brief, practical volume covers the principles of specialization, comparative advantage, deficits, supply chains, labor and environmental standards, trade with the developing world, and more.
    LanguageEnglish
    PublisherAEI Press
    Release dateOct 16, 2011
    ISBN9780844772073
    Swap: How Trade Works
    Author

    Philip I. Levy

    Philp I. Levy is a resident scholar at the American Enterprise Institute.

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      Book preview

      Swap - Philip I. Levy

      1

      SPECIALIZATION

      AND TRADE

      Few who read this book will go on to become subsistence farmers, grow their own food, sew their own clothes, and whittle branches for entertainment. Not that there’s anything wrong with all that.

      Instead, readers will likely specialize and trade. You may grow cash crops as farmers; produce machine tools in factories; or provide health care to your fellow citizens. We rarely think about how dependent each of these vocations is on trade. As valuable as machine tools may be, you cannot eat them, nor wear them, nor live in them. The only way a factory worker is able to meet her basic needs is to trade the machine tools she produces for other goods and services.

      In a rudimentary economy, our worker would barter her tools directly for eggs or cloth. In a modern economy, she would receive money for her work, which is easier to store and significantly less fragile than eggs. But it is the same basic idea either way.

      It is not hard to see the gains from specialization. If a child breaks his wrist in a fall, we would not be satisfied to have it treated by the class teacher, nor the school nurse, nor even a family doctor. We would want the child seen by an orthopedist, someone who specializes in understanding the intricacies of how bones function and mend. If there are to be such specialists, someone else will need to grow their food and build their houses. The idea that individuals will specialize and be more productive is central to how modern economies function and advance.

      The economist Angus Maddison provides some striking numbers about just how far specialization and trade have brought us.¹ If we compare the United States in 1820 to the United States in 2001, early Americans were more self-sufficient, worked harder, and earned less. In 1820, they worked an average of 968 hours per person per year, versus 770 in 2001. But for each working hour, the early Americans produced $1.49 worth of goods and services in 1820, compared to $28.59 in 2001 (a comparison that accounts for inflation).

      Of course, some of this growth came from great discoveries, such as how to harness electricity, how to use engines for locomotion, and how to produce disease-resistant and well-fertilized crops. Yet even such discoveries came from the specialization of scientists and inventors.

      What, you may ask, does any of this have to do with international trade, with current account deficits, with trade agreements and commercial disputes? The principle is the same. Countries can specialize in producing those goods and services they can make at their lowest cost and trade with other countries for mutual gain.

      Although the underlying principle of specialization and market exchange may be the same, there are some important differences when we trade across international borders rather than trading across towns.

      Perhaps the foremost difference is that it is much easier to intervene internationally. Countries can apply taxes to goods when they cross their borders. Such import taxes, known as tariffs, were once quite common and quite high. The economic historian Doug Irwin writes of The Great Tariff Debate of 1888 when tariff revenue amounted to more than 30 percent of the value of U.S. imports. This raised the price of goods produced abroad, and so Americans bought fewer of them.²

      At the time, Democrats were eager to cut tariffs because the government had too much revenue (imagine!), while Republicans wanted to maintain them so as to protect domestic producers from import competition. For our purposes, it is the desire for protection, to shield businesses from foreign competitors, that is most interesting.

      For anyone running a business, life is much easier without competition. There is less pressure to keep prices low or to innovate. When there is competition, there will be businesses that lose. Of course, consumers have the opposite interests. Domestically, consumer interests have often won out. New competition brings cheaper food, new products, and better services. We have antitrust laws to encourage competition, and the Constitution prohibits states from erecting barriers to commerce between them. Sometimes that has meant brutal and painful competition, as in the twentieth century when the textile industry of the northeastern United States was largely replaced by textile firms in the Southeast.

      In international trade, there is nothing to match the constitutional prohibition on interstate trade barriers, and consumer interests are less politically potent. Over time, in the wake of damaging episodes of protectionism, countries have reached agreements to reduce and cap the sorts of barriers they erect against each other. Such agreements, like the global General Agreement on Tariffs and Trade (GATT) or the continental North American Free Trade Agreement (NAFTA), have been politically controversial and wield nothing like the force of the U.S. Constitution. Nor are they comprehensive in their support for free trade. Exceptions abound, and pressures to protect domestic producers increase in difficult economic times.

      Thus, in comparing domestic and international competition, the same gains from specialization and competition apply, but it is both easier and more tempting for governments to intervene internationally. It is not impossible to block domestic commercial transactions, just harder. Because domestic and international competition share the same market principles, trade can serve as a prime battleground for debates about the merits of free markets and free enterprise.

      The astute reader, at this point, may begin to wonder whether this depiction of trade—as international specialization and competition—has anything to do with the sort of trade depicted in the newspapers or on the web. There, the discussion concerns jobs lost, or unfair practices abroad, or soaring deficits, or decisions by heavily acronymed international organizations. A major purpose of this book will be to connect the abstract vision of trade with its portrayal in the daily media, thereby providing a guide to

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