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Trump's Mercantilist Mess

(MENAFN– Jordan Times)

CAMBRIDGE — When US President Donald Trump quipped in March 2018 that“trade wars are good, and easy to win”, many dismissed his remark as a mostly harmless rhetorical flourish. But was it?

The reason that countries participate in international trade is to get imports, consumer goods, intermediate goods used in production and capital equipment, in exchange for exports. Framed this way, exports are simply the goods that Americans are willing to part with to acquire something they want or need.

But international trade also boosts, on net, the size of the overall economic pie, because it means that countries can focus on doing whatever they do best, producing goods in areas where they are relatively more productive. According to David Ricardo’s theory of comparative advantage, countries’ relative strengths derive from differences in factor endowments. And, as economists Paul Krugman and Elhanan Helpman showed in the 1980s, countries’ relative strengths are also related to their investments in various areas of specialisation.

By embracing a primitive mercantilist model in which exports are“good” and imports are“bad”, Trump has reversed this impeccable economic logic. In a mercantilist model, an excess of exports over imports contributes to national wealth through the accumulation of paper claims, previously gold. This seems to be what Trump has in mind when he complains that China is draining $500 billion per year from the US economy, mostly by exchanging Chinese goods for US Treasury bonds. Needless to say, it is hard to see how receiving a lot of high-quality goods at low cost amounts to“losing”.

Trump seems to be relying on a theory advanced by his trade adviser Peter Navarro, who has noticed that imports appear with a minus sign in the identity relationship satisfied by GDP. That is, GDP equals consumption plus domestic investment plus exports less imports. He concluded that a tariff-induced reduction in imports will lead magically to an increase in domestic production (GDP), which meets the demand previously serviced by imports. Never mind that the certainty of retaliation will lead to a contraction in overall international trade and US GDP. As an aside, I hope that Navarro did not learn his international macroeconomics while getting a PhD at Harvard University in the early 1980s under Richard Caves, who had very different ideas.

Now, it is certainly true that China restricts international trade and imposes high costs on foreign investment, often by forcing foreign businesses to transfer technology to their Chinese partners. The outright theft of technology by Chinese entities is also an important issue. It would be better for the world, and almost surely for China, too, if these restrictive practices were curtailed. Yet, if the US’s objective is to reduce trade barriers, imposing tariffs on Chinese imports is a strange way to go about it.

To be sure, there was a moment a few months ago when China seemed willing to adopt significant reforms as part of a deal to avoid tit-for-tat tariffs. But even then, there was something odd about the proposed arrangement: the Trump administration wanted a quantitative list of specific US exports that China would import in greater volume.

The Chinese, of course, were happy to proceed this way, because it is in keeping with a command-and-control form of economic governance. But the American approach is supposed to be different. Recognising that we do not know whether additional Chinese purchases should take the form of agricultural goods, Ford pickup trucks, or Boeing airplanes, which used to be viewed as reliable, the United States should be advocating a general reduction in tariffs and other trade restrictions so that the market can decide what goods should be produced and exchanged.

In any event, it now seems likely that the US will be left with an enduring trade war, implying long-term costs for American consumers and businesses. Despite still-favourable effects from the 2017 tax reform and the administration’s cuts to harmful regulations, growth is weakening, and Trump has tried, futilely, to pin the blame on the US Federal Reserve and unproductive US companies. The real problem is Trump’s approach to trade policy, which is far worse than that of his predecessor, and could well push the US economy into recession.

The problem, more broadly, is that the US political establishment has reached a consensus that something must be done to curb China’s restrictive trade practices. Yet, sometimes it is better to live with a situation that falls short of the ideal.

As for Trump, he seems genuinely to love tariffs, because they impede“bad” imports and raise revenue. Unlike many other economic arguments that he has made, his advocacy for tariffs is apparently sincere and his commitment to the policy thus irrevocable. But that makes it hard to see how the US can strike a satisfactory trade deal with China. Worse, Trump may further expand his use of tariffs as negotiating tools vis-à-vis many other countries.

All told, I would not say that Trump has the lowest“economics IQ” among recent presidents. But there is clearly a large gap between what he knows and what he thinks he knows. Because it is the latter that determines US trade policy, America has a serious problem on its hands.

Robert J. Barro is professor of Economics at Harvard University and a visiting scholar at the American Enterprise Institute. He is co-author (with Rachel M. McCleary) of “The Wealth of Religions: The Political Economy of Believing and Belonging”. Project Syndicate, 2019. 


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