For MarketWatch, Brett Arends writes, โ€œMost of what the public is being told about [the Trump administrationโ€™s tariffs on imports from China] is either misleading or a downright lie.โ€ What he means is that other people who write or talk about the tariffs arenโ€™t making points that he considers extremely important.

These points are that tariffs are merely taxes, and these taxes are not large as a proportion of the federal budget. He writes, โ€œYes, tariffs are โ€˜costs.โ€™ But they do not somehow destroy our money. They do not take our hard-earned dollars and burn them in a big pile. Tariffs are simply federal taxes. Thatโ€™s it. The extra costs paid by importers, and consumers, goes to Uncle Sam, to distribute as he sees fit, including, for example, on Obamacare subsidies . . .

โ€œAnd the amounts involved are trivial. Chicken feed.โ€

The reason other people have not emphasized these points is that some of them are false and others donโ€™t have much to do with why economists generally look on tariffs with disfavor.

It is not, for instance, true that all the higher costs that importers and consumers pay as a result of tariffs go to the treasury. Letโ€™s say youโ€™re laid off because the company you work for is paying more for machinery, youโ€™re paying a cost that doesnโ€™t increase tax revenue. If the company is paying more for machinery from a U.S. supplier that was able to raise prices because of the tariff, the extra money itโ€™s paying (and its customers may be paying) doesnโ€™t increase tax revenue either.

Tariffs tend to be a relatively inefficient way of raising federal revenue because of these kinds of effects: They do a lot of damage to the economy per dollar raised. (You could even say they โ€œdestroy our money.โ€) But the words โ€œdeadweight lossโ€ do not appear in Arendsโ€™s article.

Arends writes that โ€œthe total value wiped off U.S. stocks during Mondayโ€™s panic was about $700 billion. More than 20 yearsโ€™ worth of the new tariffs.โ€ One possible explanation: The economic effects of the tariffs arenโ€™t limited to the revenues they produce. Another: The market was responding not just to the Trump administrationโ€™s tariffs but to the tariffs China imposed in response โ€” as the story to which Arends links plainly says โ€” and to the possibility that more cycles of retaliation are in store.

We could also go with Arendsโ€™s theory, that markets arenโ€™t as rational as he is.