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How have US tariffs impacted China?

Summary:
The Financial Times has an interesting story discussing the impact of recent US tariffs on Chinese exports to the US: Donald Trump’s first sally in the skirmish was to impose a 25 per cent tariff on 818 Chinese product lines, including electrical equipment, machinery and vehicles, in July 2018. This wave purportedly covered an annual bn of Chinese exports, although analysts at Standard Chartered calculated they amounted to just .4bn in 2017. Mr Trump then followed up with a 25 per cent levy on a further bn of annual US imports in August and slapped a 10 per cent tariff on another 0bn of products, a figure that is due to rise to 25 per cent in April if the two countries are unable to resolve the dispute by then. StanChart’s analysis of the initial

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The Financial Times has an interesting story discussing the impact of recent US tariffs on Chinese exports to the US:

Donald Trump’s first sally in the skirmish was to impose a 25 per cent tariff on 818 Chinese product lines, including electrical equipment, machinery and vehicles, in July 2018. This wave purportedly covered an annual $34bn of Chinese exports, although analysts at Standard Chartered calculated they amounted to just $16.4bn in 2017.

Mr Trump then followed up with a 25 per cent levy on a further $16bn of annual US imports in August and slapped a 10 per cent tariff on another $200bn of products, a figure that is due to rise to 25 per cent in April if the two countries are unable to resolve the dispute by then.

StanChart’s analysis of the initial tranche of targeted goods (the “$34bn” list) found that China’s US-bound exports of the 818 products fell 27 per cent in August-October 2018 compared with the same period a year earlier. China accounted for just 6.9 per cent of US imports of these 818 lines, down from an average of 10.4 per cent during the August to October periods of 2015-17.

It seems that the recent tariffs have reduced Chinese exports of the specific goods being targeted.  But what about overall Chinese exports?

This is despite China’s overall exports to the US appearing to have held up well last year, amid expectations they hit a record $550bn, up from $505bn in 2017.

That’s a bit odd, unless you think about what sort of factors determine trade balances.  Trade experts believe that tariffs have relative little impact on overall trade balances, which reflect saving/investment imbalances.

So why did Chinese exports hold up, once the tariffs were applied?  The imposition of tariffs on Chinese goods may have contributed to a sharp fall in the foreign exchange value of the yuan during the second half of 2018.  (Note that on this graph a bigger number means a weaker yuan):

How have US tariffs impacted China?The vast majority of Chinese exports were not impacted by the 25% tariff.  Either there was a 10% tariff, or no tariff at all.  Thus the roughly 10% depreciation of the Chinese yuan prevented the 10% tariff from having much impact on $200 billion worth of exports, and actually boosted Chinese exports of the $300 billion worth of goods that were not hit with any tariff.

This is not to say that a sufficiently high set of tariffs would not impact US/China trade—it would.  But the impact can be very complex. Tariffs might also reduce US exports, leaving the trade balance unaffected. The weaker yuan might boost Chinese exports to third parties, while reducing Chinese exports to the US.  There are lots of possibilities.  The key point is that these policies need to be examined from what economists call a “general equilibrium” framework, which means considering all of the unintended side effects on other markets and other countries.

Scott Sumner
Scott B. Sumner is Research Fellow at the Independent Institute, the Director of the Program on Monetary Policy at the Mercatus Center at George Mason University and an economist who teaches at Bentley University in Waltham, Massachusetts. His economics blog, The Money Illusion, popularized the idea of nominal GDP targeting, which says that the Fed should target nominal GDP—i.e., real GDP growth plus the rate of inflation—to better "induce the correct level of business investment". In May 2012, Chicago Fed President Charles L. Evans became the first sitting member of the Federal Open Market Committee (FOMC) to endorse the idea.

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