Economist Donald Boudreaux delivered these remarks on October 14th, 2016, in Atlanta, GA, at Hillsdale College’s 10th annual Free Market Forum.

PART I

The positive economic case for free trade is straightforward. Here I distill it into ten – well, as you’ll see, really eleven – elemental points.

First, nothing about political borders justifies treating trades that cross those borders differently than trades that don’t. Whatever benefits result from you trading with someone in Kentucky are no less available when you trade with someone in Korea. Whatever economic problems – real or imaginary – are caused by you trading with someone in Korea are no less likely when you trade with someone in Kentucky.

Second, all economic activity is ultimately justified by how much it enables us to expand our consumption, not by how much it enables us to expand our production. Consumption is the end; production is the means. Of course, production is an essential means; we cannot expand consumption without expanding production. But production is not the ultimate purpose of economic activity. If you disbelieve me, ask yourself how much you’d pay for a sawdust-nail-‘n’-cardboard pie that took its well-meaning baker several days to produce. If you answer “nothing,” then you get this point.

Third, specialization expands output. And the greater the amount of specialization, the greater the output. A medical profession made up only of family-practice physicians will save fewer lives and reduce less pain than a medical profession made up of specialists such as neurosurgeons, podiatrists, cardiologists, ophthalmologists, and – my favorite (because many years ago one of these specialists saved my young son’s life) – pediatric gastroenterologists.

Fourth, specialization requires trade. A pediatric gastroenterologist based in New York City today enjoys a high standard of living, but only because many people willingly pay him to specialize in that highly specialized line of work andwillingly accept his money in exchange for what they produce. This physician is rich only because he trades with others. If farmers, carpenters, tailors, airline pilots, and economics professors were unwilling to trade with him, he’d have no time to practice pediatric gastroenterology. He’d instead have to grow his own food, build his own home, and make his own clothing. He, and the rest of us, would be much poorer.

Fifth, specialization increases with the size of the market. The greater the number of consumers and producers, the larger is the scope for each producer to focus on a narrow specialization. This fact is why large cities have niche restaurants, such as vegan Lebanese, and highly specialized physicians, such as pediatric gastroenterologists, while small towns don’t feature restaurants and trades so highly specialized.

Points four and five working together spark self-reinforcing improvement: more trade promotes more specialization which, in turn, promotes more trade. Economies grow and standards of living improve.

Sixth, an important consequence of expanding the area of trade – of increasing the size of the market – is what economists call “increasing returns.” Doubling the number of people who trade freely with Americans causes the GDP of this larger economy to more than double. Per-capita GDP rises for all of these people who trade freely with each other. Compare medical care in an economy that features among its health-care professionals only 100 family-practice physicians to medical care in an economy with, say, 20 family-practice physicians and 180 specialists, such as pediatric gastroenterologists.

Seventh, there’s no limit to the degree to which labor can specialize and to which, as a result, total output can expand and expand at an increasing rate – that is, exhibit increasing returns. Put differently, the degree to which labor can specialize and cause total output to expand isn’t limited to, or defined by, the size of any particular country. Nor does the size of any particular country define a point beyond which the growth of specialization and output slows or becomes less reliable.

That is, even in a country as geographically large and as heavily populated as the United States, nothing in economic theory or history suggests that expanding the boundaries of our trading patterns externally – that is, beyond our borders – results in less expansion of our consumption and production than when we expand the boundaries of our trading patterns internally. We in Georgia or Virginia stand to gain just as much by expanding our trade with Mexicans as we stand to gain by expanding our trade with New Mexicans. There’s no reason not to have a global economy without economic boundaries.

Eighth, economic competition is good and it works just as effectively acrosspolitical boundaries as it does within political boundaries. Competition disciplines firms, it spurs entrepreneurial creativity, and it discovers and encourages – much like a process of natural selection – what works best economically. Importantly, the competition that comes from free trade directs workers and other resources into those lines of productive activities at which each is most efficient. There’s simply no reason to neuter with trade restrictions the competition that comes from abroad simply because that competition isn’t home-grown.

Ninth, as Julian Simon taught, human beings in market economies are the ultimate resource. The ultimate resource isn’t land or petroleum or deposits of iron ore or of gold; it’s not factories or software or tractors; it’s not inventories of wheat or of rolled steel or of cash on hand. It’s human creativity and ingenuity. Indeed, it’s only because human creativity made them so that petroleum and iron ore and wheat and you-name-it are resources. Without human creativity these things would be mere raw materials, mere globs of molecules, that are no more valuable or useful to human beings than they are now to antelopes and hamsters.

And yet human creativity is one of the few resources that has consistently gotten more scarce over the course of the past 250 years.

We know that human creativity has gotten more scarce because its market price has risen enormously over the past few centuries in the market-oriented world. For example, the real hourly pay of the average American worker is today, conservatively estimated, about 60 times higher than it was in 1790.[1] This rise in the price of labor signals that it is has become more scarce relative to the demand for human labor.

In contrast, most other resources and productive inputs – including energy, metals, and transportation services – have become, and are still becoming, less scarce, if we judge them (as we should) by the trends in their real prices. They’re becoming less scarce precisely because we have more creative human beings contributing to the market economy.

Free trade maximizes the ability of the people of a country both to contribute their own creativity and effort to the global economy and to tap into the creativity and effort of the billions of other ultimate resources that reside in other countries. We tap into that creativity directly when we offshore productive tasks to foreign workers. We tap into it indirectly when we buy goods produced by foreign workers and entrepreneurs. Why would we wish to artificially reduce our and our fellow citizens’ access to supplies of the ultimate resource?

Tenth, restrictions on trade inevitably are driven by special-interest-group politics. Even if a sound theoretical case can be made for trade restrictions, it’s simply unrealistic to expect the state to be guided by that case. Instead, politicians and bureaucrats will only use that case as cover to create monopoly privileges for politically influential producer groups.

I here, at the last minute, add an eleventh point to the elemental case for free trade. I was reminded of this point just this morning by an e-mail from my great colleague Walter Williams. Walter asked me to remind you that countries don’t trade with each other; people trade with each other. China doesn’t trade with America. Individuals who reside on that part of the earth that we today call “China” choose to trade with other individuals who reside on that part of the earth that we today call “America” and who choose to trade with people in China.

That’s it. That’s the elemental economic case for free trade.

PART II

But there’s a second part to the case for free trade. It’s the part that’s been constructed in response to the multitude of misunderstandings that have arisen over the centuries with regard to trade.

This second part to the case for free trade is the longer part. The reason is that the capacity for misunderstanding and mischaracterizing trade is enormous. Many falsehoods require many corrections.

Here I’ve time only to mention a few pieces of this second part of the case for free trade.

First, over the long-run free trade causes no net loss of jobs. Put differently – and harkening back to a point made above – any change in consumer spending causes some workers to lose jobs while creating jobs for other workers. International trade isn’t unique on this front. The jobs lost today to imports are replaced tomorrow by other jobs.

And these other jobs are, overall, better than the lost jobs because they are the ones at which the workers in the country have a comparative advantage. The jobs lost are ones at which the workers have a comparative disadvantage.

If you worry that the loss of particular jobs today cannot be made up for by the creation of new jobs, consider that in 1950 the U.S. workforce contained roughly 60 million people, with roughly 57 million jobs. The unemployment rate in 1950 was 5.3 percent. Today, the size of the U.S. workforce is about 160 million, with about 152,000 jobs. In 66 years, the number of workers and the number of jobs in America have each increased by a bit more than 150 percent. The rate of unemployment today is a not-too-shabby five percent.

Over the long run, the number of jobs is determined not by the freedom of trade but by the size of the labor force, by the flexibility of labor markets, and by workers’ willingness and abilities to remain unemployed as they search for better job offers. What free trade does is to replace worse jobs with better jobs; protectionism protects worse jobs by preventing the creation of better ones.

Another objection to free trade is that it is undesirable if it creates trade deficits. This is an egregious fallacy, because another name for trade deficits is “capital surpluses.” Every cent of a U.S. trade deficit is a cent invested by foreigners in America or in dollar-denominated assets. These investments not only return the dollars to the U.S., they also signal that the U.S. is a relatively attractive place to invest. Further, by enlarging our capital stock, they enrich us.

If commenters started referring not to “our trade deficit” but to “our capital surplus” – an exactly equivalent term – there’d be much less misunderstanding and mischief caused by this accounting artifact.

Finally here, it’s a myth that high-wage Americans can’t compete against low-wage foreigners.

Specialization arises according to comparative advantage, which doesn’t stop operating as the wages of workers in a nation rise relative to wages elsewhere. But this point is esoteric. Another point is that low wages reflect low productivity. Americans’ wages are higher than Chinese wages because American workers on average are more productive than Chinese workers. So next time someone says “We can’t compete against low-wage foreigners,” translate that claim into its equivalent: “We can’t compete against low-productivity foreigners.” The latter claim sounds as silly as it really is.

PART III

I close not with economics but with ethics. After all is said and done my support for free trade is grounded in ethics, regardless of the economics. I believe deeply that if you work and earn income honestly, that income is yours to use as you choose. You may use it to buy tomatoes from your neighbor or to buy tomatoes from a farmer in Mexico. It’s your money. It belongs neither to the state nor to any domestic producer.

Yet protectionist arguments rest on the premise that your tomato-growing neighbor has some positive claim on your income. If you are prohibited from buying tomatoes from Mexico, or – more commonly today – penalized with a tariff for doing so, the state is insisting that domestic tomato growers have an ethical claim on part of your income. If you do not spend your income as the state, or as domestic tomato growers, deem best, you will be penalized. Tomato-growers’ economic well-being is elevated above yours. I find this presumption, which undergirds nearly all protectionist policies, to be reprehensible and ethically indefensible.

Thank you.

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[1] Calculated from data found at: https://www.measuringworth.com/datasets/uswage/result.php and adjusted for inflation using:
http://data.bls.gov/cgi-bin/cpicalc.pl

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