COVID and the Ukraine War may have kickstarted an age of food protectionism

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The war in Ukraine is exacerbating a preexisting food supply crisis, and more and more countries are responding by locking down their exports and hoarding resources.

It started with Indonesia banning exports of its valuable palm oil in April. In May, India announced it would begin limiting its wheat and sugar exports. Malaysia also ruled that it would begin banning chicken exports starting this summer.

These are just a few of the more than 20 countries that are suspending food exports right now, according to the World Trade Organization, as the world responds to a surge in food prices and mounting fears of constrained supply.

These fears existed before the war broke out, with countries like Argentina withholding meat exports from global markets since last year in an effort to tame inflation in the country. But with more and more countries implementing protectionist policies of their own, this new wave promises to have potentially global consequences.

“There are going to be worldwide impacts,” Patrick Westhoff, director of the Food and Agricultural Policy Research Institute at the University of Missouri, told Fortune. “When India restricts wheat exports, or Indonesia restricts vegetable oil exports, that's going to affect prices for grains and for vegetable oils worldwide.”

There’s a word for this trend: food protectionism—and while countries implementing it might see it as a necessary measure to protect their economies, it is threatening the world’s most food insecure countries, many of which are on the verge of a hunger crisis.

‘Panic’ in food markets and protectionist policies

For countries that are limiting their food exports, fears of domestic food shortages are all too real, and protectionism is by no means a new tactic.

In 2007 and during the early months of 2008, food prices spiked worldwide due to high oil prices and severe droughts affecting agricultural production in many countries, straining global supply. The result was a massive spike in global food prices, led by a 300% surge in rice prices in the first four months of 2008 alone.

The rice price crisis was particularly concerning for several Asian countries where it is a staple in diets, and many opted to place bans on their rice exports out of fears that a global shortage was imminent. India, the world’s second largest rice exporter at the time, maintained a ban of non-basmati rice exports for two years between 2008 and 2010.

Some experts, such as Peter Timmer, a Harvard emeritus professor in development who has studied food risks for decades, believe that a similar scenario is playing out during the current food price crisis.