Dr. Oliver Kiptoo Kirui

Research themes
  • Markets and services
  • Agriculture, land use, climate change
  • Innovation and science policy
  • Governance and conflict
  • Health
Research countries
  • Burkina Faso
  • Ethiopia
  • Ghana
  • India
  • Kenya
  • Malawi
  • Tanzania
  • Uganda
  • Zambia
  • Nigeria
  • Cameroon
  • Rwanda
  • Benin
  • Mali
  • Togo
Research projects

Program of Accompanying Research for Agricultural Innovation

Working groups



Deleopment Economics - Msc students (APO 240)

Tutorship of doctoral candidates

Annet Adong (ZEF B)

John Ndung'u (ZEF C)

Veronica Mwangi (Visiting student - University of Nairobi)

Additional information
Professional experience

Senoir Researcher - Center for Development Research (ZEF); Junior Research Fellow - Center for Development Research (ZEF); Research Associate - International Maize and Wheat Improvement Center (CIMMYT); Research Assistant - Regional Strategic Analysis and knowledge support system-ECA at the International Livestock Research Institute; Research Assistant - Electronic Agricultural Research Network in Africa (eARN-Africa)


BSc. Agric Economics (2008)

MSc. Agric and Applied Economics (2011)

Phd. Development Economics (2016)


Development Eoconomics

Funding institutions



Center for Development Research (ZEF) University of Bonn, Genscheralle 3, 53113 Bonn, Germany Tel: +49 (0)228 73-4902 Mob: +49 (0)1601825250 Fax: +49 (0)228 73-1869 Email: okirui@uni-bonn.de 


Kampmann, W., O.K. Kirui.  2021.  Role of Farmers’ Organizations in Agricultural Transformation in Africa: Overview of Continental, Regional, and Selected National Level Organizations.  ZEF Working Paper Series, ISSN 1864-6638, 205   : 42   . Further Information
Kirui, O.K., A. Mirzabaev, J. von Braun.  2021.  Assessment of land degradation ‘on the ground’and from ‘above’.  Springer Nature Applied Sciences (SNAS), 3 (3)   : 13   . (Open Access)   Further Information


Mwangi, V., Owuor, S., Kiteme, B., & Kirui, O.K.  2020.  Linking Household Food Security and Food Value Chains in North West Mt. Kenya..  Sustainability, 12   : 4999   . (Open Access)   Further Information
Okello, J.J. O.K. Kirui and Z.M. Gitonga.  2020.  Participation in ICT-based market information projects, smallholder farmers' commercialization, and agricultural income effects: findings from Kenya..  Development in Practice , : 1-15   . (Open Access)   Further Information
Thomas Daum, Ygué Patrice Adegbola, Geoffrey Kamau, Alpha Oumar Kergna, Christogonus Daudu, Roch Cedrique Zossou, Géraud Fabrice Crinot, Paul Houssou, Lawrence Mose, Yarama Ndirpaya, A. A. Wahab, Oliver Kirui & Fatunbi Abiodun Oluwole.  2020.  Perceived effects of farm tractors in four African countries, highlighted by participatory impact diagrams.  Agronomy for Sustainable Development volume , 40 (47)   : 19   . (Open Access)   Further Information


Kirui, O.K.  2019.  The complementarity of education and use of productive inputs among smallholder farmers in Africa.  Further Information
Kirui, O.K.  2019.  The Agricultural mechanization in Africa: micro-level analysis of state drivers and effects.  Further Information
Kirui, O.K. & Mirzabaev, A.  2019.  Determinants of Choice, Number and Simultaneous Adoption of Sustainable Land Management Practices in Eastern Africa.  International Journal of Agriculture and Forestry, 9   : 15   . (Open Access)   Further Information


Kirui, O.K. & Kozicka, M.  2018.  Vocational Education and Training for Farmers and Other Actors in the Agri-Food Value Chain in Africa.  Further Information
Kirui, O.K. & von Braun, J..  2018.  Mechanization in African Agriculture A Continental Overview on Patterns and Dynamics.  Further Information


Kirui, O.  2016.  Economics of Land Degradation, Sustainable Land Management and Poverty.  Doctoral Thesis at  Faculty of Agriculture, Center for Development Research, University of Bonn.  Further Information


Kirui, O., J. Okello, R. Nyikal, and G. Njiraini.  2013.  Impact of Mobile Phone-Based Money Transfer Services in Agriculture: Evidence from Kenya.  Quarterly Journal of International Agriculture, 52(2)   : 141-162   .


Kirui, O. K., J. J. Okello, J. J., and R.A. Nyikal.  2012.  Awareness of Mobile Phone-Based Money Transfer Services in Agriculture by Smallholder Farmers in Kenya..  International Journal of ICT Research and Development in Africa (IJICTRDA). , 3(1), 1-13   : 1-13   . Further Information
Okello, J.J. O. K. Kirui, G.W. Njiraini and Z. Gitonga.  2012.  Drivers of Use of Information and Communication Technologies by Farm Households: The Case of Smallholder Farmers in Kenya..  Journal of Agricultural Science, Vol 4, No 2 (2012)   : 111   . Further Information


Kabubo-Mariara, J., J. Massawe, J. Karugia, O.K. Kirui, and J. Wanjiku.  2011.  Status, distribution and determinants of poverty in the COMESA region: a review of existing knowledge,.  International Food Policy Research Institute (IFPRI)., Working Paper No.33.   : 1-33   . Further Information


Kirui, O.K.  Skills Development for Value Chain Actors in African Agriculture.  In: Danielle Resnick , Xinshen Diao and Tadesse Getaw (eds.): Policies for Successful Agri-Food System Transformation. Regional Strategic Analysis and Knowledge Support System (ReSAKSS) - 2020 Annual Trends and Outlook Report (ATOR).   98-107.  (Open Acess) 

Additionals, Curriculum Vitae
and Downloads

Oliver Kiptoo Kirui

Senior Researcher


Department :
ZEF B: Department of Economic and Technological Change

okirui(at)uni-bonn.de; oliverkk(at)yahoo.com