International trade: Is it a help or a hindrance?

International trade: Is it a help or a hindrance?

Leading economies have been afflicted with new problems over the past year. The United States is struggling with both supply-chain blockages and a critical shortage of baby formula. The European Union faces the threat of scarce energy supplies, owing to sanctions on Russian fossil-fuel exports. And almost all countries are experiencing high inflation.

Some have blamed these problems on excessive dependence on international trade, that is, globalisation. Deglobalisation, fragmentation, reshoring, friend-shoring, decoupling, and resilience have become now-familiar buzzwords. There is a widespread sentiment that individual countries would have been less exposed to recent shocks had they been more self-sufficient.

The argument goes beyond observing that supply chains generate diminishing returns for private firms. Government policies that economists label as protectionist have gained political support -- beginning, notably, with then-US president Donald Trump's trade war in 2018. The impression is that trade barriers could help protect us all.

But the problems listed above are in fact examples of how trade barriers erected by governments have reduced resilience. In each case, liberalisation could help mitigate the problem.

Start with the bottlenecks in US shipping. The remedy here is to repeal the Jones Act, which requires that all shipping between US ports use American carriers and employ crews that are at least 75% American. This legislation was originally enacted in 1920, with the aim of enhancing US self-sufficiency and national security. But the US maritime industry's inability to cope with sudden surges in demand, like for merchandise imports over the past year, has contributed to supply-chain delays. Without the Jones Act, American firms could hire foreign-owned vessels to handle such a surge, and logistics would be more resilient.

The US baby formula shortage calls for a similar approach. Abbott Nutrition, one of only four major US producers of baby formula, recalled some of its products in February following the discovery of traces of bacteria in one factory. Recalls are common. But the resulting acute shortage illustrates how international trade could have made up most of the shortfall.

After all, there was no lack of infant formula on international markets. But the US has steep protectionist barriers against dairy imports. These include tariffs as well as unnecessarily restrictive administrative hurdles and "Buy American" rules that constrain the federal government's Special Supplemental Programme for Women, Infants, and Children (WIC), which distributes half of the infant formula consumed in the US. Mr Trump even raised barriers on imports of infant formula from Canada when he renegotiated the North American Free Trade Agreement. The US Food and Drug Administration recently agreed to cut some red tape to let in imports temporarily. But there should not be barriers in the first place.

It is true that exposure to international trade can sometimes be a source of volatility when shocks arise abroad. For example, Germany's willful increase in dependence on Russian natural gas over the past 10 years made it highly vulnerable when Russia invaded Ukraine in February. But free trade can also mitigate volatility when the shock originates domestically.

Meanwhile, the EU and the US want to substitute renewable energy sources for fossil fuels, especially those purchased from Russia. One policy that could help further reduce the cost of solar and wind power is to lift barriers to imports of solar panels and wind turbines.

On June 6, US President Joe Biden's administration announced a two-year pause on pending new tariffs on imports of solar panels. That's good for both the environment and America's ability to cope with higher global energy prices. But the US still has the old tariffs.

So does the EU, where cutting demand for Russian fossil fuels will be much more difficult. Rolling back tariffs and other barriers to importing renewable energy equipment would be a step in the right direction.

One remedy to fight inflation is to lower import barriers.

The Peterson Institute for International Economics estimates that a feasible package of trade liberalisation could reduce the US consumer price index inflation by 1.3 percentage points, or US$797 (28,200 baht) per US household. The Biden administration is now considering rolling back some of Mr Trump's tariffs on imports from China to help ease inflation. But the effect on inflation will be less than 1.3 percentage points

Trade liberalisation will not be enough to eliminate inflation. But the lesson is the same as for baby formula and transport bottlenecks: Openness to trade can be a source of resilience.©2022 Project Syndicate


Jeffrey Frankel is Professor of Capital Formation and Growth at Harvard University.

Jeffrey Frankel

Professor

Jeffrey Frankel is Professor of Capital Formation and Growth at Harvard University.


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