Shipping data hints to some recovery in global trade

The coronavirus pandemic dealt a severe blow to global merchandise trade. Data from weekly port calls by container ships show early but uneven signs of recovery, according to UNCTAD.

The coronavirus pandemic dealt a severe blow to global merchandise trade. Data from weekly port calls by container ships show early but uneven signs of recovery, according to new UNCTAD calculations.

The number of ships pulling into ports to unload and load containers rebounded in many parts of the world in the third quarter of 2020.  This offers a hopeful sign for world merchandise trade, which suffered a historic year-on-year fall of 27% in the second quarter.

Maritime shipping saw a dramatic slowdown earlier this year as government measures used to curb the COVID-19 pandemic restricted economic activities and travel. By mid-June, the average number of container vessels arriving weekly at ports worldwide had sunk to 8,722, an 8.5% year-on-year drop.

But new data show that, globally, the average weekly calls have started to recover, rising to 9,265 by early August, just 3% below the levels of one year earlier.

“Most of the manufactured goods that we produce and consume are shipped in containers,” says Shamika N. Sirimanne, director of UNCTAD’s technology and logistics division. “The latest containership port call patterns therefore offer a ray of hope for economic recovery from the pandemic.”

The UNCTAD report shows that, globally, container ship arrivals started to fall below 2019 levels around mid-March 2020 and then to recover gradually around the third week of June.

The start of the decline coincided with the World Health Organization’s decision on 11 March to classify COVID-19 as a pandemic, while the gradual recovery reflects the timeline when some countries began easing out of lockdown.

Although most regions have seen some recovery in the third quarter of 2020, both in absolute numbers and compared to 2019 levels, the global figures hide important regional differences.

For example, while weekly container ship port calls in China and Hong Kong had climbed to 4.1% higher than the 2019 numbers by early August, calls in North America and Europe were still 16.3% and 13.2% below the levels registered one year earlier.

“The regional and country trends appear to follow the progress of the pandemic,” the article says. “Distinct port call patterns in South America and Africa can also be observed, probably reflecting the delayed onset of the COVID-19 outbreak and lockdowns.”

The diverging and volatile port call patterns across regions since June 2020 also underscore the fragility of the apparent recovery and the presence of factors that extend beyond the pandemic and lockdown restrictions.

Not all weekly changes in port calls are the result of the pandemic, UNCTAD says. “Trade policy changes resulting in shifting trade patterns and regulatory measures that affect shipping and ports can also affect port calls.”

The report adds that the ship deployment strategies used by carriers as well as decisions by shipping alliances can influence port call choices as well.

“That’s why it’s also interesting to look at other indicators, such as container shipping timetables,” says Jan Hoffmann, chief of UNCTAD’s trade logistics branch and one of the article’s authors.

The timetables, which show the deployment of cargo carrying capacity measured in Twenty-foot Equivalent Units (TEU), reflect shipping lines’ expectations for near future demand.

While container shipments to and from China and the United States have resumed in the third quarter, timetables show a continued decline for many European countries.

Hoffmann warns, though, that data on shipping schedules should be interpreted with care because, for example, carriers may decide to skip port calls if demand doesn’t turn out as expected – a phenomenon known as “blank sailings”.

He adds that there is also a certain risk of circular dependency. “Carriers’ expectations may be based on economic forecasts, which in turn may depend partly on economic analysts making use of data on shipping schedules.”

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