Simon Evenett, 19 March 2020

Given the centrality of China to many international supply chains, there is considerable interest in the impact of COVID-19 on global trade flows. And a troubling trade policy dimension is now coming to light. This column reports on and assesses a finding of the Global Trade Alert that 24 nations have recently imposed export restrictions on medical supplies.

Jason Garred, 09 July 2019

Like other countries participating in the multilateral trading system, China agreed to limit the use of import tariffs when it joined the WTO. As this column shows, however, it continued to employ other instruments of trade policy, including a new set of restrictions on exports which partly restored the asymmetric treatment of Chinese industries embodied in its pre-WTO import tariffs. Today's tariff wars appear to be just the latest example of an ongoing battle whose skirmishes have taken many forms.

Jayson Beckman, Carmen Estrades, Manuel Flores, Angel Aguiar, 03 October 2018

Export taxes are the most commonly employed form of export restrictions on agricultural products, but they receive relatively little scrutiny in multilateral trade negotiations. This column demonstrates that taxes have a positive effect on prices, with effects generally detectable in the same year that the taxes are implemented. The removal of export taxes does not affect international prices, but can lead to small decreases in domestic poverty.

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