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With research staff from more than 60 countries, and offices across the globe, IFPRI provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries.

Liangzhi You

Liangzhi You is a Senior Research Fellow and theme leader in the Foresight and Policy Modeling Unit, based in Washington, DC. His research focuses on climate resilience, spatial data and analytics, agroecosystems, and agricultural science policy. Gridded crop production data of the world (SPAM) and the agricultural technology evaluation model (DREAM) are among his research contributions. 

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Where we work

IFPRI currently has more than 600 employees working in over 80 countries with a wide range of local, national, and international partners.

Is organic farming to blame for Sri Lanka’s crisis? (Politico) 

July 19, 2022


Politico published an article that looks at organic farming as a possible culprit for the dramatic implosion of Sri Lanka’s economy.  While Rajapaksa’s abrupt ban on chemical fertilizers did jolt farmers, senior research fellow David Laborde says yields didn’t fall so precipitously that it would have dented exports that much. The bigger issue is that COVID-19 sent droves of overseas workers home to Sri Lanka. Money sent home by Sri Lankans working abroad normally totals about $6 billion per year, well above the $1.2 billion that comes from tea, the country’s largest cash crop. “The remittances shock is several orders of magnitude bigger than the worst scenario we can imagine about tea,” Laborde said. Without the remittances and tourism dollars, Sri Lanka had to spend more of its own currency on imports and interest on debt, which combined with inflation sent it into the spiral that led to its economic collapse.  

“The thing that is pretty evident is that there was macroeconomic mismanagement in Sri Lanka for months, if not years. They didn’t want to spend their foreign currency on fertilizer,” he said. “That was already a kind of reverse causality.” Laborde ended by saying, “We should not draw any generalities or conclusions out of the Sri Lanka situation, except that bad macroeconomic policy can destroy your country and destroy your farm system. That’s the only lesson I really want to draw about Sri Lanka.”  

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