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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.

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researcher spotlight

Samuel Benin

Samuel Benin is the Acting Director for Africa in the Development Strategies and Governance Unit. He conducts research on national strategies and public investment for accelerating food systems transformation in Africa and provides analytical support to the African Union’s CAADP Biennial Review.

Where we work

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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.

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experts

Markets, Trade, and Institutions

Mike Murphy

Senior Research Analyst

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Bio

Mike Murphy is a Senior Research Analyst with the Markets, Trade, and Institutions Unit, and a PhD student in Economics at the University of Bordeaux. He works primarily on the OneHealth CGIAR Initiative focusing on the intersection of human, animal, and environmental health. His research looks at how individual decision-making around risk affects outcomes in policy areas including food safety, anti-microbial resistance, and zoonotic disease.

Publications

Research Gate Profile

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Publications

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Working Paper

Aflatoxin contamination of maize flour in Kenya: Results from multi-city, multi-round surveillance

2023Barasa, Allan; Hoffmann, Vivian; Murphy, Mike; Ndisio, Boaz; Okoth, Sheila A.
Details

Aflatoxin contamination of maize flour in Kenya: Results from multi-city, multi-round surveillance

This research was undertaken to characterise the level and distribution of aflatoxin contamination of maize flour, a key food safety concern in Kenya. More than 1,200 samples of maize flour were collected and analyzed over the course of one year, allowing a robust characterization of relative risk across geography and product type. Informally milled flour was found to be significantly more contaminated than branded flour, a result attributable to the refining process applied to this flour. The results of this study can be used to inform messaging to consumers about the relative riskiness of informally versus formally milled flour, and for geographical targeting of resources for aflatoxin mitigation.

Year published

2023

Authors

Barasa, Allan; Hoffmann, Vivian; Murphy, Mike; Ndisio, Boaz; Okoth, Sheila A.

Citation

Barasa, Allan; Hoffmann, Vivian; Murphy, Mike; Ndisio, Boaz; and Okoth, Sheila A. 2023. Aflatoxin contamination of maize flour in Kenya: Results from multi-city, multi-round surveillance. IFPRI Discussion Paper 2217. Washington, DC: International Food Policy Research Institute (IFPRI). https://doi.org/10.2499/p15738coll2.137033

Country/Region

Kenya

Keywords

Africa; Eastern Africa; Aflatoxins; Food Safety; Mycotoxins; Maize Flour; Milling; Risk

Language

English

Access/Licence

Open Access

Links

https://doi.org/10.2499/p15738coll2.137033 Source record

Project

One Health

Record type

Working Paper

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Journal Article

Increasing the adoption of conservation agriculture: A framed field experiment in Northern Ghana

2023Ambler, Kate; Brauw, Alan de; Murphy, Mike
Details

Increasing the adoption of conservation agriculture: A framed field experiment in Northern Ghana

Conservation agriculture techniques have the potential to increase agricultural production while decreasing CO2 emissions, yet adoption in the developing world remains low—in part because many years of continuous adoption may be required to realize gains in production. We conduct a framed field experiment in northern Ghana to study how incentives and peer information may affect adoption. Incentives increase adoption, both while they are available and after withdrawal. There is no overall effect of peer information, but we do find evidence that information about long-term adoption increased adoption, particularly when that information shows that yield gains have been achieved.

Year published

2023

Authors

Ambler, Kate; Brauw, Alan de; Murphy, Mike

Citation

Ambler, Kate; de Brauw, Alan; and Murphy, Mike. 2023. Increasing the adoption of conservation agriculture: A framed field experiment in Northern Ghana. Agricultural Economics 54(5): 742-756. https://doi.org/10.1111/agec.12797

Country/Region

Ghana

Keywords

Africa; Western Africa; Conservation Agriculture; Carbon Dioxide; Agricultural Production; Information; Yields

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.1111/agec.12797 Source record

Project

Agroecology

Record type

Journal Article

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Brief

Impact of information on demand for safe food

2023Hoffmann, Vivian; Kariuki, Sarah; Murphy, Mike; Ndisio, Boaz; Ochenje, Ibrahim; Okoth, Sheila
Details

Impact of information on demand for safe food

Problems caused by eating unsafe food are a major health issue in many countries. Contamination by bacteria or toxins can cause these health risks, particularly for young children whose bodies are still developing. It can be difficult to know which foods are risky because you usually cannot tell by looking if food is contaminated. The goal of this research was to see whether giving consumers in Kenya information about one of these contamination risks would make them choose to purchase different products.

Year published

2023

Authors

Hoffmann, Vivian; Kariuki, Sarah; Murphy, Mike; Ndisio, Boaz; Ochenje, Ibrahim; Okoth, Sheila

Citation

Hoffmann, Vivian; Kariuki, Sarah; Murphy, Mike; Ndisio, Boaz; Ochenje, Ibrahim; and Okoth, Sheila. 2023. Impact of information on demand for safe food. Project Note March 2023. Washington, DC: International Food Policy Research Institute (IFPRI). https://doi.org/10.2499/p15738coll2.136638

Country/Region

Kenya

Keywords

Africa; Eastern Africa; Aflatoxins; Food Safety; Information; Maize; Corn Flour; Policies

Language

English

Access/Licence

Open AccessCC-BY-4.0

Links

https://doi.org/10.2499/p15738coll2.136638 Source record

Project

One Health

Record type

Brief

Blogs

Exploring farmer adoption of conservation agriculture using a lab-in-the-field approach
IFPRI Blog
 | 
September 02, 2020

Exploring farmer adoption of conservation agriculture using a lab-in-the-field approach

By Mike Murphy, Kate Ambler, and Alan de Brauw

Testing the role of subsidies in adopting techniques to build long-term resilience.

Do you remember? Measuring anchoring bias in recall data
IFPRI Research Blog
 | 
March 16, 2018

Do you remember? Measuring anchoring bias in recall data

By Susan Godlonton, Manuel Hernandez, and Mike Murphy

Standard social science interview techniques may not be accounting for cognitive bias, a new study finds.

Events

CGIAR Platform for Big Data in Agriculture Convention
IFPRI at External Event

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October 3 to 5, 2018

CGIAR Platform for Big Data in Agriculture Convention

IFPRI Staff are participating in the CGIAR Platform for Big Data in Agriculture co-hosted by the International Center for Tropical Agriculture (CIAT) taking place October 3-5, 2018 at the Campus of the World Agroforestry Center (ICRAF) in Nairobi, Kenya. This convention is the second yearly event to bring together the people and organizations that make the […]