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With research staff from more than 70 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

Lilia Bliznashka

Lily Bliznashka is a Research Fellow in the Nutrition, Diets, and Health Unit. Her research focuses on assessing the effectiveness of multi-input nutrition-sensitive and nutrition-specific interventions and the mechanisms through which they work to improve maternal and child health and nutrition globally. She has worked in Burkina Faso, Burundi, Tanzania, and Uganda.

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experts

Foresight and Policy Modeling

Abhijeet Mishra

Research Fellow

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Bio

Abhijeet Mishra is a Research Fellow in the Foresight and Policy Modeling Unit. Abhijeet’s research interests include future sustainable pathways for the global land-use system and the trade-offs between land-based mitigation, food security, and other sustainable development goals. Before joining IFPRI, he worked in the land-use management group at the Potsdam Institute for Climate Impact Research (PIK), where he contributed to the development of a forestry sector in MAgPIE, an open-source partial equilibrium land-use model.

Abhijeet is an agricultural economist with a PhD from Humboldt University, Germany; a master’s degree in rural economics and management from Ghent University, Belgium; and a bachelor’s degree in agricultural marketing and cooperation from the University of Agricultural Sciences, Bangalore, India.

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Publications

Resource thumbnail

Report

The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 4

2026
Mishra, Abhijeet; Gabriel, Sherwin; Cenacchi, Nicola; Dunston, Shahnila; Hartley, Faaiqa; Robertson, Richard D.; Robinson, Sherman; Sulser, Timothy B.; Thomas, Timothy S.; Wiebe, Keith D.
…more Rosegrant, Mark W.
Details

The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 4

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 since its initial development in the early 1990s, IMPACT version 4 represents the latest iteration of the model, offering an enhanced treatment of complex issues such as climate change, food security, and economic development. IMPACT 4 modeling system 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

2026

Authors

Mishra, Abhijeet; Gabriel, Sherwin; Cenacchi, Nicola; Dunston, Shahnila; Hartley, Faaiqa; Robertson, Richard D.; Robinson, Sherman; Sulser, Timothy B.; Thomas, Timothy S.; Wiebe, Keith D.; Rosegrant, Mark W.

Citation

Mishra, Abhijeet; Gabriel, Sherwin; Cenacchi, Nicola; Dunston, Shahnila; Hartley, Faaiqa; et al. 2026. The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model documentation for version 4. Modeling Systems Technical Paper 4. Washington, DC: International Food Policy Research Institute

Keywords

Modelling; Ex Ante Impact Assessment; Economic Analysis; Agriculture; International Trade; Food Security; Climate Change; Hydrology; Water Management; Water Stress; Crop Modelling

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Record type

Report

Resource thumbnail

Journal Article

Ozone pollution reduction partially offsets the negative impact of climate change mitigation efforts on global hunger

2026
Xia, Shujuan; Hasegawa, Tomoko; Jansakoo, Thanapat; Mason-D’Croz, Daniel; Tsuchiya, Kazuaki; Fujimori, Shinichiro; Chepeliev, Maksym; Kozicka, Marta; Mishra, Abhijeet; van Zeist, Willem-Jan
…more Zhao, Xin; de Lange, Thijs; Diniz Oliveira, Thais; Doelman, Jonathan C.; Gibson, Matthew; Havlík, Petr; Herrero, Mario; Kumar, Ipsita; Ochi, Yuki; Sulser, Timothy B.; Sundiang, Marina; Takahashi, Kiyoshi; Takakura, Jun’ya; Wiebe, Keith D.
Details

Ozone pollution reduction partially offsets the negative impact of climate change mitigation efforts on global hunger

Studies warning of the potential negative effects of climate mitigation on food security through the competing use of land for bioenergy and afforestation have overlooked the impact of reduced ozone and its potential enhancement of crop yields. Here we use six global agro-economic models to compare the impacts of climate change with climate mitigation policy and ozone reduction on agriculture. We find that ozone reduction could reduce the negative impact of a 1.5 °C-consistent climate change mitigation policy on global hunger by 15% in 2050. Sub-Saharan Africa and India, where hunger is most severe, account for 56% of this global reduction. Our findings indicate that the negative effects of climate mitigation on global hunger could be partially offset by the ozone reduction impact.

Year published

2026

Authors

Xia, Shujuan; Hasegawa, Tomoko; Jansakoo, Thanapat; Mason-D’Croz, Daniel; Tsuchiya, Kazuaki; Fujimori, Shinichiro; Chepeliev, Maksym; Kozicka, Marta; Mishra, Abhijeet; van Zeist, Willem-Jan; Zhao, Xin; de Lange, Thijs; Diniz Oliveira, Thais; Doelman, Jonathan C.; Gibson, Matthew; Havlík, Petr; Herrero, Mario; Kumar, Ipsita; Ochi, Yuki; Sulser, Timothy B.; Sundiang, Marina; Takahashi, Kiyoshi; Takakura, Jun’ya; Wiebe, Keith D.

Citation

Xia, Shujuan; Hasegawa, Tomoko; Jansakoo, Thanapat; Mason-D’Croz, Daniel; Tsuchiya, Kazuaki; et al. Ozone pollution reduction partially offsets the negative impact of climate change mitigation efforts on global hunger. Nature Food. Article in press. First published on March 16, 2026. https://doi.org/10.1038/s43016-026-01322-3

Keywords

Ozone Depletion; Pollution; Air Pollution; Climate Change; Climate Change Mitigation; Hunger

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1038/s43016-026-01322-3 Source record

Record type

Journal Article

Resource thumbnail

Report

IMPACT model training for Indian Council of Agricultural Research (ICAR) – Indian Agricultural Research Institute (IARI): Feedback survey report

2025Mishra, Abhijeet; Gabriel, Sherwin; Sulser, Timothy B.; Pal, Barun Deb
Details

IMPACT model training for Indian Council of Agricultural Research (ICAR) – Indian Agricultural Research Institute (IARI): Feedback survey report

A four-day training program (24-27 November 2025) on the International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT), organized by the Division of Agricultural Economics, Indian Council of Agricultural Research (ICAR) – Indian Agricultural Research Institute (IARI), was designed to strengthen participants’ capacity in global agricultural modeling and scenario-based policy analysis. Through a comprehensive curriculum developed by International Food Policy Research Institute (IFPRI), the workshop provided both conceptual grounding and hands-on experience in using the IMPACT model and its network of linked modules, including climate, water, crop, and welfare models. Participants learned to design and run scenarios in GAMS and the IMPACT Excel Interface, interpret model results, and apply them to real-world questions in agricultural policy, climate change, and trade. The program emphasized the integration of biophysical and economic data for ex-ante policy analysis and equipped researchers to conduct multidimensional assessments of food security, technology adoption, and environmental sustainability.

Year published

2025

Authors

Mishra, Abhijeet; Gabriel, Sherwin; Sulser, Timothy B.; Pal, Barun Deb

Citation

Mishra, Abhijeet; Gabriel, Sherwin; Sulser, Timothy B.; and Pal, Barun Deb. 2025. IMPACT model training for Indian Council of Agricultural Research (ICAR) – Indian Agricultural Research Institute (IARI): Feedback survey report. Washington, DC: International Food Policy Research Institute. https://hdl.handle.net/10568/179711

Country/Region

India

Keywords

Asia; Southern Asia; Capacity Building; Training; Modelling

Language

English

Access/Licence

Open Access

Source

Source record

Record type

Report

Events

32nd International Conference of Agricultural Economists
IFPRI at External Event

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August 2 to 7, 2024

32nd International Conference of Agricultural Economists

The triennial International Conference of Agricultural Economists (ICAE-2024), centred on the theme “Transformation Towards Sustainable Agri-Food Systems” is scheduled from August 2-7, 2024, in New Delhi, India. The conference offers a distinctive platform, providing a golden opportunity for the agricultural academic institutions and researchers to convene in person, exchange knowledge, and actively contribute to the […]

News

November 05, 2025 | Press Release

New study examines affordability and nutritional implications of the 2025 EAT–Lancet Commission diet

The study, published in The Lancet Planetary Health, used IFPRI’s IMPACT model to assess how adopting the EAT-Lancet diet could affect calorie availability, share of income spent on food, nutrient availability, and food prices.