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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.

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David Spielman

David Spielman is the director of IFPRI’s Innovation Policy and Scaling Unit and has been with the institute since 2004. His research agenda covers a range of topics including agriculture and rural development policy; agricultural science, technology, and innovation; plant genetic resources and seed systems; agricultural extension and advisory services; and community-driven rural development.

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experts

Development Strategies and Governance

Khalid Siddig

Senior Research Fellow

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Bio

Khalid Siddig is a Senior Research Fellow in the Development Strategies and Governance Unit and Program Leader for the Sudan Strategy Support Program. He is an agricultural economist with a focus on examining the impacts of potential shocks and the allocation of resources on economic growth, environmental sustainability, and income distribution through the lens of economywide and micro-level tools. His work bridges economywide models with essential tools such as water, energy, climate, and river basin models.

Before joining IFPRI, Khalid gained academic and research experience at the University of Hohenheim Germany; Humboldt University of Berlin; and the University of Khartoum, Sudan. He holds advanced degrees in agricultural economics and computer science.

Languages spoken: English, Arabic, German

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Publications

Resource thumbnail

Book Chapter

Cereal production, markets, and policy in Sudan

2026Dorosh, Paul A.; Kirui, Oliver K.; Siddig, Khalid
Details

Cereal production, markets, and policy in Sudan

Cereal production has long been a cornerstone of Sudan’s food security and economy, especially wheat, sorghum, and millet. Given the importance of these staples, policy related to imports and prices of wheat (and sorghum, to a lesser extent) has major effects on food production and consumption. In particular, before 2023, government interventions in wheat markets involved huge implicit—and sometimes explicit—fiscal costs, including interventions on large food aid inflows, official sales prices, direct controls on commercial imports, and subsidies on wheat milling (D’Silva and Badawi 1988; Faki and Taha 2009; Abdelaziz et al. 2022). These policies have generally benefited urban consumers at the expense of rural producers and have not always been well-targeted to the poor (Resnick 2021; Resnick 2026, Chapter 3 in this volume).

Year published

2026

Authors

Dorosh, Paul A.; Kirui, Oliver K.; Siddig, Khalid

Citation

Dorosh, Paul A.; Kirui, Oliver K.; and Siddig, Khalid. 2026. Cereal production, markets, and policy in Sudan. In War and Resilience: The Multifaceted Impacts of Sudan’s Conflict and Pathways to Recovery, eds. Khalid Siddig, Oliver K. Kirui, and Paul Dorosh. Section Two: Economic, Social, and Humanitarian Impacts, Chapter 5, Pp. 89-116. Washington, DC: International Food Policy Research Institute.

Country/Region

Sudan

Keywords

Africa; Northern Africa; Cereals; Crop Production; Markets; Policies; Prices; Trade

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Record type

Book Chapter

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Book Chapter

Monitoring economic activities: Leveraging satellite and remote-sensing technologies

2026Guo, Zhe; Abushama, Hala; Siddig, Khalid; Kirui, Oliver K.; Timu, Anne G.; Zhou, Shuang; Abay, Kibrom A.; You, Liangzhi
Details

Monitoring economic activities: Leveraging satellite and remote-sensing technologies

Understanding disruptions to economic activities in conflict-affected regions such as Sudan is essential for policymakers, humanitarian organizations, and researchers seeking to develop effective response strategies. However, traditional data collection methods, such as official government statistics and household surveys, become unreliable or impractical in these contexts due to security risks, displacement, and institutional breakdowns. In such environments, satellite and remote-sensing technologies provide a powerful alternative, offering near real-time, scalable, and objective insights into economic disturbances, infrastructure damage, population displacement, and environmental degradation. Advances in Earth observation technologies now allow researchers to monitor the economic consequences of conflicts with great accuracy and efficiency, even in regions where on-the-ground data collection is impossible (Hoogeveen et al. 2016; Hoogeveen and Pape 2020; Abay et al. 2023).

Year published

2026

Authors

Guo, Zhe; Abushama, Hala; Siddig, Khalid; Kirui, Oliver K.; Timu, Anne G.; Zhou, Shuang; Abay, Kibrom A.; You, Liangzhi

Citation

Guo, Zhe; Abushama, Hala; Siddig, Khalid; Kirui, Oliver K.; Timu, Anne G.; et al. 2026. Monitoring economic activities: Leveraging satellite and remote-sensing technologies. In War and Resilience: The Multifaceted Impacts of Sudan’s Conflict and Pathways to Recovery, eds. Khalid Siddig, Oliver K. Kirui, and Paul Dorosh. Section Two: Economic, Social, and Humanitarian Impacts, Chapter 4, Pp. 67-88. Washington, DC: International Food Policy Research Institute.

Country/Region

Sudan

Keywords

Africa; Northern Africa; Economic Activities; Space-borne Remote Sensing; Remote Sensing; Satellites

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Record type

Book Chapter

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Book Chapter

State failure and elite capture of Sudan’s agrifood system

2026Resnick, Danielle; Abushama, Hala; Kirui, Oliver K.; Siddig, Khalid; Ahmed, Mosab O. M.
Details

State failure and elite capture of Sudan’s agrifood system

Since the outbreak of Sudan’s civil war in April 2023, nearly 12 million people have been displaced, and an estimated 44,000 have been directly killed by the violence (UNHCR 2026; ACLED 2025). Many more are estimated to have suffered from war-related disease and malnutrition (Roberts 2025). The decimation of the capital city of Khartoum—the epicenter of the jubilant civilian uprisings in 2019—epitomizes the country’s short journey from a promising democratic opening to a failed state.

Year published

2026

Authors

Resnick, Danielle; Abushama, Hala; Kirui, Oliver K.; Siddig, Khalid; Ahmed, Mosab O. M.

Citation

Resnick, Danielle; Abushama, Hala; Kirui, Oliver K.; Siddig, Khalid; and Ahmed, Mosab O. M. 2026. State failure and elite capture of Sudan’s agrifood system. In War and Resilience: The Multifaceted Impacts of Sudan’s Conflict and Pathways to Recovery, eds. Khalid Siddig, Oliver K. Kirui, and Paul Dorosh. Section One: Origins and Dynamics of the Conflict, Chapter 3, Pp. 37-63. Washington, DC: International Food Policy Research Institute.

Country/Region

Sudan

Keywords

Africa; Northern Africa; Governance; State Intervention; Agrifood Systems; Agricultural Value Chains

Language

English

Access/Licence

Open AccessCC-BY-4.0

Source

Source record

Record type

Book Chapter

Events

Three Years of Conflict: What the Evidence Tells Us and What Recovery Requires
Series/Special Event

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April 14 to 15, 2026

Three Years of Conflict: What the Evidence Tells Us and What Recovery Requires

April 2026 marks three years since the outbreak of the conflict in Sudan, which has severely disrupted economic activity, food systems, and social services. More than half of the country’s population is in need of assistance, and communities, markets, and institutions are under unprecedented pressure. Recent evidence from IFPRI and others highlights the scale and […]

Informing Crisis Response in Sudan
IFPRI Policy Seminar

 | 

October 22, 2025, 3:00 – 4:30 pm

Informing Crisis Response in Sudan

The recent resurgence of armed conflicts in Africa is increasing the need and urgency for investments in shock-responsive humanitarian and social assistance programs. Armed conflicts both increase the need for aid and greatly complicate delivery of humanitarian services to vulnerable populations. In addition, humanitarian organizations are facing an increasing funding gap because of dwindling donor […]

Africa Food Systems Forum 2025 Summit
IFPRI at External Event

 | 

August 31 to September 5, 2025

Africa Food Systems Forum 2025 Summit

The Africa Food Systems Forum will host its annual summit in Dakar, Senegal, from August 31 to September 5, 2025. Africa’s Food Systems Forum, formerly AGRF, is the world’s premier forum for African agriculture and food systems, bringing together stakeholders to take practical actions and share lessons that will move African food systems forward. Africa […]

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News

February 18, 2026 | In the News

Sudan: how warring factions gained influence in the country’s food system – and what it means for the current conflict (The Conversation)

The importance of understanding the political economy incentives that drive large-scale conflict.

February 10, 2026 | In the News

Can digital cash transfers serve those in active conflict zones? (VoxDev)

Digital cash transfers can be delivered even in active conflict settings like Sudan and can significantly protect vulnerable households from worsening food insecurity, though their impacts vary by context and household characteristics.

September 03, 2025 | Press Release

Celebrating 50 Years of Impact and Informing Food Policies Across Africa

IFPRI marks its 50th anniversary with a special event at the Africa Food Systems Forum in Dakar.

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