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Who we are

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.

researcher spotlight

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

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experts

Director General’s Office (DGO)

Mark Rosegrant

Research Fellow Emeritus

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Bio

Mark W. Rosegrant is a Research Fellow Emeritus in the Director General’s Office. He  previously served as Director of IFPRI’s Environment and Production Technology Division. Dr. Rosegrant has extensive experience in research and policy analysis in agriculture and economic development, with an emphasis on water resources and other natural resource and agricultural policy issues as they impact food security, rural livelihoods, and environmental sustainability. He currently directs research on climate change, water resources, sustainable land management, genetic resources and biotechnology, and agriculture and energy.

Dr. Rosegrant is the author or editor of 12 books and over 100 refereed papers in agricultural economics, water resources, and food policy analysis. He has won numerous awards, such as Outstanding Journal Article (2008), Quality of Communications Award (2004), and Distinguished Policy Contribution Award (2002) awarded by the Agricultural and Applied Economics Association (formerly American Agricultural Economics Association); and Best Article Award (2005) from the International Water Resources Association. Dr. Rosegrant is a Fellow of the American Association for the Advancement of Science and a Fellow of the Agricultural and Applied Economics Association. He holds a PhD in Public Policy from the University of Michigan.

Publications

Google Scholar Citations

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Publications

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Report

The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 3.6

2024
Robinson, Sherman; Dunston, Shahnila; Mishra, Abhijeet; Sulser, Timothy B.; Mason-D’Croz, Daniel; Robertson, Richard D.; Cenacchi, Nicola; Thomas, Timothy S.; Zhu, Tingju; Gueneau, Arthur
…more Pitois, Gauthier; Wiebe, Keith D.; Rosegrant, Mark W.
Details

The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 3.6

The International Food Policy Research Institute’s IMPACT model is a robust tool for analyzing global and regional challenges in food, agriculture, and natural resources. Continuously updated and refined, IMPACT version 3.6 is the latest update to the model for continuously improving the treatment of complex issues, including climate change, food security, and economic development. IMPACT 3.6 multimarket model integrates climate, crop simulation, and water models into a comprehensive system, providing decision-makers with a flexible platform to assess the potential impacts of various scenarios on biophysical systems, socioeconomic trends, technologies, and policies.

Year published

2024

Authors

Robinson, Sherman; Dunston, Shahnila; Mishra, Abhijeet; Sulser, Timothy B.; Mason-D’Croz, Daniel; Robertson, Richard D.; Cenacchi, Nicola; Thomas, Timothy S.; Zhu, Tingju; Gueneau, Arthur; Pitois, Gauthier; Wiebe, Keith D.; Rosegrant, Mark W.

Citation

Robinson, Sherman; Dunston, Shahnila; Mishra, Abhijeet; Sulser, Timothy B.; Mason-D’Croz, Daniel; Robertson, Richard D.; Cenacchi, Nicola; et al. 2024. The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 3.6. Modeling Systems Technical Paper 1. Washington, DC: International Food Policy Research Institute. https://hdl.handle.net/10568/148953

Keywords

Agriculture; Commodities; Policy Analysis; Policy Innovation; Models

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Project

Foresight

Record type

Report

Resource thumbnail

Journal Article

Food and nutrition security under changing climate and socioeconomic conditions

2024Rosegrant, Mark W.; Sulser, Timothy B.; Dunston, Shahnila; Mishra, Abhijeet; Cenacchi, Nicola; Gebretsadik, Yohannes; Robertson, Richard D.; Thomas, Timothy S.; Wiebe, Keith D.
Details

Food and nutrition security under changing climate and socioeconomic conditions

Food and nutrition security have become increasingly critical concerns for policy makers given that the slow progress on eliminating these challenges has reversed in recent years, with an increase in the number of hungry people by 122 million (20 percent) between 2019 and 2022. In addition to rebuilding in the aftermath of the COVID-19 pandemic, the global food system faces inter-related challenges from climate change, trade disruptions, increasing scarcity of water and land, environmental degradation, and evolving food demand patterns, among other factors. This paper assesses prospects to 2050 for food and nutrition security with a focus on low- and middle-income countries around the world in the context of these broader food system changes. Measures of food security presented here include per capita food and kilocalorie availability, the number and prevalence of hungry people, and micronutrient availability. Projected outcomes are assessed using the latest version of the International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT) framework, a modeling system that combines information from climate models, crop simulation models, and river basin level hydrological and water supply and demand models linked to a global, partial equilibrium, multimarket agriculture sector model.

Year published

2024

Authors

Rosegrant, Mark W.; Sulser, Timothy B.; Dunston, Shahnila; Mishra, Abhijeet; Cenacchi, Nicola; Gebretsadik, Yohannes; Robertson, Richard D.; Thomas, Timothy S.; Wiebe, Keith D.

Citation

Rosegrant, Mark W.; Sulser, Timothy B.; Dunston, Shahnila; Mishra, Abhijeet; Cenacchi, Nicola; et al. 2024. Food and nutrition security under changing climate and socioeconomic conditions. Global Food Security 41: 100755. https://doi.org/10.1016/j.gfs.2024.100755

Keywords

Food Security; Nutrition Security; Climate Change; Socioeconomic Aspects; Modelling

Language

English

Access/Licence

Open AccessCC-BY-NC-ND-4.0

Links

https://doi.org/10.1016/j.gfs.2024.100755 Source record

Project

Foresight

Record type

Journal Article

Resource thumbnail

Report

Benefit-cost analysis of increased funding for agricultural research and development in the global south

2023Rosegrant, Mark W.; Wong, Brad; Sulser, Timothy B.; Dubosse, Nancy; Lybbert, Travis J.
Details

Benefit-cost analysis of increased funding for agricultural research and development in the global south

This paper conducts a benefit-cost analysis of expanding agricultural research and development in the Global South. We extend a recent modelling exercise that used IFPRI’s IMPACT model to estimate the investments required to reduce the global prevalence of hunger below 5%. After 35 years, the increased funding is estimated to increase agricultural output by 10%, reduce the prevalence of hunger by 35%, reduce food prices by 16%, and increase per capita incomes by 4% relative to a counterfactual where funding continues to rise on historical trends. Using an 8% discount rate, the net present value of the costs of agricultural R&D is estimated at $61 billion for the next 35 years, while the net present benefits in terms of net economic surplus (the sum of consumer and producer surplus) are estimated at $2.1 trillion. The central estimate of the benefit-cost ratio, BCR, is therefore 33, consistent with previous research documenting high average returns to agricultural research and development. The central BCR reported in this study places the intervention at the 91st percentile of all previous Copenhagen Consensus BCRs in agriculture, and 87th percentile for all BCRs regardless of sector. Seen in this light, agricultural R&D is likely one of the best uses of resources for the remainder of the Sustainable Development Goals and decades beyond.

Year published

2023

Authors

Rosegrant, Mark W.; Wong, Brad; Sulser, Timothy B.; Dubosse, Nancy; Lybbert, Travis J.

Citation

Rosegrant, M.W.; Wong, B.; Sulser, T.B.; Dubosse, N. and Lybbert, T.J. 2023. Benefit-cost analysis of increased funding for agricultural research and development in the global south. Tewksbury, Massachusetts: Copenhagen Consensus Center. https://copenhagenconsensus.com/publication/halftime-sdgs-agricultural-rd

Keywords

Benefit-cost Ratio; Development; Investments; Hunger; Agricultural Production; Food Prices; Income; Economic Surplus; Sustainable Development Goals; Agricultural Research

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Project

Foresight

Record type

Report

Blogs

$15.2 billion in research and innovation investments can put global climate and hunger goals within reach
IFPRI Blog
 | 
August 16, 2021

$15.2 billion in research and innovation investments can put global climate and hunger goals within reach

By Uma Lele and Mark Rosegrant

A new report shows how targeted spending can have significant global benefits.

Investments, policies, and technologies for food security in Asia and the Pacific
IFPRI Blog
 | 
October 28, 2019

Investments, policies, and technologies for food security in Asia and the Pacific

By Mark Rosegrant

Three new reports from the Asian Development Bank and IFPRI explore strategies for reducing hunger and boosting growth.

Food security depends on water security – and we need to act now
IFPRI Blog
 | 
June 12, 2019

Food security depends on water security – and we need to act now

By Mark Rosegrant

There is not enough water—as currently managed—to sustain the world’s population and end hunger and malnutrition. Some key pathways to change.

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Events

31st International Conference of Agricultural Economists (ICAE)
IFPRI at External Event

 | 

August 17 to 31, 2021

31st International Conference of Agricultural Economists (ICAE)

Virtual Event: AUG 17, 2021 – 08:00 AM to AUG 31, 2021 08:00 PM EDT. IFPRI is participating in the 31st Conference of Agriculture Economists organized by the International Association of Agricultural Economists (IAAE). 

Virtual Event - Hindsight is 2020: Reflecting on IFPRI’s ‘2020 Vision Initiative’
IFPRI Policy Seminar

 | 

July 8, 2020, 9:30 – 11:00 am

Virtual Event – Hindsight is 2020: Reflecting on IFPRI’s ‘2020 Vision Initiative’

Discussion on the achievements and remaining challenges since IFPRI’s landmark series that aimed to catalyze global action to eradicate hunger & malnutrition while protecting the environment.
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Rural Development and Food Security Forum 2019
IFPRI at External Event

 | 

October 28 to 30, 2019

Rural Development and Food Security Forum 2019

IFPRI is participating in the Rural Development and Food Security Forum 2019. Although 1.1 billion people have moved out from extreme poverty since 1990, poverty incidence remains high in the rural areas of most countries in the Asia and Pacific region. There is still widespread unemployment; limited access to education, healthcare, and financial services, particularly for […]

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News

August 14, 2020 | In the News

Unhealthy, but nutritious. Cruel, but delicious. The debate about the future of the planet’s carnivorous diet is very complex! (National Geographic) 

National Geographic (Portugal) published an article on feeding the world, the consumption of meats and cereals. It could be argued that, if Americans eat less beef, more grain would be available to hungry people in other latitudes. Using an economic model of the world food system, IFPRI researchers projected what would happen if the entire developed world halved its […]

May 07, 2020 | In the News

Shookt! – How a pandemic threw a monkey wrench on PHL food supply chain and the way forward (Business Mirror)

Business Mirror (Philippines) reported on the world’s food supply. Emeritus Fellow Mark Rosegrant states, “Food production, particularly in the processing and transport phases, is disrupted due to the ECQ, which has closed much of the economy. The ‘enhanced community quarantine’ is necessary, but does have high costs, as do the shutdowns in other countries.  …The sharp drop in employment and income reduces the ability […]

October 30, 2019 | In the News

Plough $42b into farming by 2030: ADB urges Asia-Pacific economies (Financial Express)

Financial Express (Bangladesh) published an article on investments will yield $1.1 trillion in economic output for the region, home to three-fifths of the world’s population, estimated in the reports jointly conducted by the Asian Development Bank and IFPRI.

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Research

Projects

Topics/Countries

Awards

  • Outstanding Journal Article (2008), Quality of Communications Award (2004), and Distinguished Policy Contribution Award (2002) awarded by the Agricultural and Applied Economics Association (formerly American Agricultural Economics Association).
  • Best Article Award (2005) from the International Water Resources Association.