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1 1 (November 10, 2021)

handle is hein.crs/goveeup0001 and id is 1 raw text is: Congressional
~ Research Service
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Supply Chain Bottlenecks at U.S. Ports
November 10, 2021
The Coronavirus Disease 2019 (COVID-19) pandemic has underscored the potential vulnerabilities of
global supply chains, which divide production processes (e.g., raw materials sourcing, parts assembly,
distribution) into discrete stages located in multiple countries to achieve efficient production. Companies
rely on a complex, global network of transportation services, primarily container shipping, to move
intermediate goods between multiple countries for processing before they are shipped globally as final
goods. The pandemic has disrupted regular trade flows when various Asian countries issued COVID-19
lockdowns at factories and ports and reopening at different times, congesting seaports globally when
goods eventually leave Asia.
In fall 2020, goods began backing up at U.S. seaports as the pandemic shifted U.S. consumers' buying
habits from the service sector to the goods sector. From March through July 2021, retail sales (excluding
automobiles and gasoline) were 20% higher than for the same period in 2019. Many retail goods are
wholly or partially manufactured in Asia, leading to a surge in containerized cargo (Figure 1). Dozens of
ships are now at anchor waiting to dock at the Ports of Los Angeles and Long Beach. Usually there are
few or none. The back-up has caused shortages for retailers and factories. The delay in availability of
empty containers after unloading their imported goods has led to lost sales for U.S. exporters.
Congressional Research Service
https://crsreports.congress.gov
IN11800

CRS INSIGHT
Prepared for Members and
Committees of Congress -

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