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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.

The ban overkill: Cessation of chemical fertiliser imports (Daily FT)

May 01, 2021


Daily FT (Sri Lanka) published an op-ed by Jeevika Weerahewa and senior research fellow Devesh Roy. In the op-ed, the authors state that recent agriculture policies proposed by the Government of Sri Lanka can best be described as a bogie in a large and speeding ‘ban wagon’. In a bid to control and command the agri-food sector, particularly as a post-COVID response, a surfeit of bans has ruled the policy choices in Sri Lanka. The ban wagon started with the imposition of a range of restrictions on food imports after the first wave of COVID-19. Economies do face different problems that need policy interventions in face of market failure. The solution to market failure is not in obliterating markets, it is in getting the incentives right. Self-reliance is a dangerous game in COVID. Let’s get better trade, better production, not lesser trade and lesser production. 

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