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- JOURNAL ARTICLES
- Ibrahim Kiprop Sasmoita Nyariki, Ngigi Margaret and Kariuki Maina Isaac. (Submitted in June 2023). An analysis of the determinants of consumer preference for convenience foods in the urban cities of kenya. Journal of Ethnic Foods, JEFO-D-23-00177
- Mwangi, L., Gitau, R. K., Kariuki, I. M., & Mwangi, A. (Submitted in June 2023). The analysis of household fresh fruit demand patterns in urban areas. East African Agricultural and Forestry Journal
- Naomi Chebiwot Chelang’a, Isaac Maina Kariuki, Gideon Aiko Obare & Dickson Okello Otieno (2023) Determinants of adoption of GLOBAL G.A.P. standards: Evidence from smallholder French beans farmers in Murang’a County, Kenya, Cogent Food & Agriculture, 9:1, DOI:
- Naomi Chebiwot Chelang’a, Isaac Maina Kariuki & Gideon Aiko Obare (2023) Do market outlet combinations improve smallholder gross margin for smallholder French beans producers?, International Journal of Vegetable Science, DOI:
- Wamuyu, N. W., Bett, H. K., Kariuki, I. M., & Cadot, J. (2022). Socio-Economic Factors Influencing Technical Efficiency Among Smallholder Potato Farmers in Kenya. East African Agricultural and Forestry Journal, 86(1-2), 12. Retrieved from
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Wamuyu, S. N., Bett, H. K., Kariuki, I. M., & Cadot, J. (2022). Influence of Socio-Economic and Institutional Factors on the Uptake and the Extent of Application of Climate-Smart Agricultural Technologies and Management Practices among Smallholder Potato Farmers in Kenya. East African Agricultural and Forestry Journal, 86(1-2), 14. Retrieved from
- Wamuyu, S., Bett, H., Kariuki, I. M., & Cadot, J. (2022). Indicators of Relative Sustainability in smallholder potato Farming in Kenya. East African Agricultural and Forestry Journal, 86(1-2), 6. Retrieved from
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Leonard K. Kirui, Nathaniel D. Jensen, Gideon A. Obare, Isaac M. Kariuki, Philemon K. Chelanga and Munenobu Ikegami (2022). Pastoral livelihood pathways transitions in Northern Kenya: the process and impact of drought, Pastoralism: Research, Policy and Practice.
- Simon Ng’ang’a Mwaura, Isaac Maina Kariuki, Simon Kiprop, Augustus Sammy Muluvi & Boniface Kiteme (2022). Welfare impacts of Water Security in Kenya: Evidence from the Upper Ewaso Ngiro North Catchment Area, Journal of Watershed Ecology and the Environment, 4(2022) 32-43.
- Semeni Ngozi | Patience Mshenga | Isaac Maina Kariuki ( October 2021) "Potential Implications of Production and Market Risks on Potato Farming Enterprise among Smallholder Farmers in Tanzania" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-6 , URL:
- Agbolosoo, J.A, Kariuki, I. M, Bett, H. K, & Nkurumwa, A. O. (2021).Effect of entrepreneurial behaviour on small scale potato farm performance: evidence from kenya. RUFORUM Working document series, Vol 19(1), 795-806, ISSN: 1607-9345
- Naomi Chebiwot CHELANGA, Isaac Maina KARIUKI, Gideon Aiko OBARE (2021) Determinants Of Vertical Coordination Option Choices Among Smallholder French Beans Producers In Kenya. Review of Agricultural and Applied Economics. Advance online publication.
- Maurine Adhiambo Abodi, Gideon Aiko Obare & Isaac Maina Kariuki | (2021) Supply and demand responsiveness to maize price changes in Kenya: An application of error correction autoregressive distributed lag approach, Cogent Food & Agriculture, 7:1, 1957318,
- Abodi, M. A., Kariuki, I. M., & and Obare, G. A. (2021). An Analysis of the Determinants of Maize Import Volumes in Kenya. Theoretical Economics Letters, 11, 320-337.
- Simon Ng’ang’a Mwaura, Isaac Maina Kariuki, Simon Kiprop, Augustus Sammy Muluvi, Gideon Obare & Boniface Kiteme (2021). The impacts of community-based water develpment projects on rural poverty among smallholder farmers: Evidence from the Ewaso Ng’iro North Catchment Area, Kenya, Cogent Economics & Finance, 9:1, DOI:
- Semeni Ngozi | Patience Mshenga | Isaac Maina Kariuki | Aloyce Shaban Hepelwa (December 2020) "Boosting Potato Enterprise Performance among Smallholder Farmers in Tanzania through Risks Management" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-1 , URL:
- Simon Ng’ang’a Mwaura, Isaac Maina Kariuki, Simon Kiprop, Augustus Sammy Muluvi, Boniface Kiteme & Patience Mshenga | Manuel Tejada Moral (Reviewing editor) (2020). Impact of water-related collective action on rural household welfare in the Upper Ewaso Ng’iro North Catchment Area: The application of the endogenous switching regression, Cogent Food & Agriculture, 6:1,
- Ouya, Fredrick & Ingasia, Oscar & Kariuki, Isaac. (2020). Effects of agricultural intensification practices on smallholder farmers’ livelihood outcomes in Kenyan hotspots of climate change. East African Journal of Science, Technology and Innovation. 2(1). DOI:10.37425/eajsti.v2i1.110
- G.C. Ngenoh, I.M. Kariuki, E.W. Gathungu and S.K. Kiprop (2020). Factors influencing the choice of marketing strategies among Cassava microenterprises in Kenya. African Crop Science Journal, Vol.28, Issue Supplement, s1, pp.117-129 DOI:
- Cosmas Kweyu Lutomia., Gideon A Obare., Isaac Maina Kariuki., & Geoffrey Simiyu Muricho, (2019). Determinants of gender differences in household food security perceptions in the Western and Eastern regions of Kenya. Cogent Food & Agriculture 5:1694755,
- Fredrick Ochieng Ouya and O. I. Ayuya and I. M. Kariuki (2019). Usage of Agricultural Intensification Practices by Smallholder Farmers in Kenyan Rapidly Developing Dry Areas. Journal of economics and sustainable development, vol 10 (18),30-37 DOI: Corpus ID: 204910497
- Dembele, B., Bett, H. K., Maina Kariuki, I., Le Bars, M., & Ouko, K. O. (2018). Factors influencing crop diversification strategies among smallholder farmers in cotton production zone in Mali. Advances in Agricultural Science, 6(3), 01-16.
- Mayaka, O. Z., Obare, G. A., & Kariuki, I. M. (2018). Role of social capital on uptake of sustainable agricultural intensification practices’ combinations. Journal of Economics and Sustainable Development, 9(16): 66-79
- Dembele, B., Bett, H.K., Kariuki, I. M., & Le Bars, M. (2018). Understanding the multiple sources drivers of agricultural income amongst smallholder farmers in Southern Mali. Review of Agricultural and Applied Economics, 2:32-40:
- G. Obare, I. Kariuki, G. Muricho and W. Nyarindo (2016). Kenya Country Survey Report. Adoption Pathways Project, Australian International Food Security Centre & CIMMYT, Addis Ababa
- Kariuki, IM. and Loy, J-P., (2016). Contractual farming arrangements, quality control, incentives and distribution failure in Kenya’s smallholder horticulture: a multivariate probit analysis. Agribusiness, 32(4) 547-562
- Kariuki, IM, (2014). Incentives, Transaction Costs and Social Capital Considerations in Determination of Contract Duration in the Kenyan Smallholder Horticultural Sub-Sector. Developing Country Studies, Vol 4, No 22 (23-33). ISSN 2224-607X (Paper) ISSN 2225-0565 (Online).
- Kariuki, IM, (2014). Codes of Conduct and Marketing Strategies in Kenya’s Horticultural Sector. European Journal of Business and Management, vol 6, No 33(10-21). ISSN 2222-1905 (Paper) ISSN 2222-2839 (Online)
- Kariuki, IM, (2014). Transition to Certification Schemes and Implications for Market Access: GlobalGAP Perspectives in Kenya. Agricultural Sciences, 5, 1100-1111. .
- Kariuki, IM, Loy, J.-P., Herzfeld, T (2012). Farmgate private standards and price premium: Evidence from the GlobalGAP scheme in Kenya’s French beans marketing. Agribusiness, 28(1), 42-53. .
- Kariuki, IM, Obare, GA and Birachi, EA (2006). Are informal market linkages in developing countries transaction cost sensitive? Evidence from procurement of smallholders’ produce by brokers in Kenya. Journal of Applied Sciences, 6(4), 838-842.
- Kariuki, IM and Obare, GA (2004). Informal contract choice in Kenyan smallholder horticultural farming: A case of French beans production in Mwea Tebere. Egerton Journal, Science and Technology Series, 5(1), 92-105
- Obare, GA and Kariuki, IM (2003). Production and productivity effects of informal contract farming in Kenya’s smallholder horticultural sub-sector. Eastern Africa Journal of Rural Development, 19(1), 13-23
2. REVIEWED CONFERENCE PAPER
1. Maurine Adhiambo Abodi, Gideon Aiko Obare & Isaac Maina Kariuki. (2019, October 11-14). Supply Responsiveness of Maize
Producers to Maize Price Changes in Kenya: Autoregressive Distributed Lag Approach. Oral presentation paper, the 2nd Annual Sustainability and Development Conference, Ann Arbor, Michigan (USA), the University of Michigan.
3. PROFESSIONAL SERVICES, CONSULTANCY AND PROJECT REPORTS
1. G.Obare, I. Kariuki, G.Muricho and W. Nyarindo (2016). Kenya Country Survey Report. Adoption Pathways Project, Australian International Food Security Centre & CIMMYT, Addis Ababa.
2. Panelist. The ƽ10th International Conference and Agricultural Summit, session on"Land Tenure Security and Agricultural Productivity", FEDCOS, Egerton University, 30th March-1st April 2016
3. Consultancy. Reviewing and Preselecting the Bill and Melinda Gates Foundation (BMGF) Proposals on Food and Nutrition for African Economic Research Consortium (AERC), January, 2018
4. Rapporteur. The ƽ14th Biennial International Conference themed "Research and Innovations for Resilience in a Changing Environment” session on"Transformative agri-food Systems", CoELIB, Egerton University, 23rd-25th March 2022
4. NON-REVIEWED CONFERENCE PAPER
1. Wamuyu, S.N., Bett, H.K., Kariuki, I.M., Cadot, J. (2021, November 22-26). Contribution of Climate Smart Agricultural Practices in Sustainability of Potato Farming in Kenya: Development of Smart indicators for Relative Sustainanbility. Contributed Paper, Kenya Climate Smart Agriculture project (KCSAP) Scientific Conference, Lake Naivasha Resort, Naivasha, Kenya
2. Simon Ng’ang’a Mwaura, Isaac Maina Kariuki, Simon Kiprop, Augustus Sammy Muluvi, Boniface Kiteme & Patience Mshenga | Manuel Tejada Moral (2020, November 24-26). Impact of water-related collective action on rural household welfare in the Upper Ewaso Ng’iro North Catchment Area: The application of the endogenous switching regression. Contributed Poster Paper, 13th Egerton University International Virtual Conference on Innovation, Research And Transformation For Sustainable Development, Egerton, Njoro, Kenya
5. SCHOLARLY PRESENTATIONS AT CONFERENCES/WORKSHOPS/SEMINARS
1. G.Obare, I. Kariuki, G.Muricho and W. Nyarindo (2016). Project achievements and Key messages: Kenya Perspective. Adoption Pathways project 4th Annual Meeting and Project Closing Workshop, Addis Ababa, Ethiopia, 17th-19th May 2016
2. Floriane, Kanonko., Isaac M. Kariuki and Edith W. Gathungu (2019). Effect of crop diversification on househod food consumption expenditure in Bubanza Province, Burundi. A master research concept presented during the 1st Centre of Excellence for Sustainable Agricultural and Agribusiness Management (CESAAM) Regional Summer School for Graduate Students, ARC Hotel, Egerton University, 25th-29th November
3. Purity Kinya Kaburu., Jackson Langat and Maina Kariuki, (2019). Impact assessment of the Kenya Agricultural and Agribusiness Project (KAPAP) on livelihoods of smallholder Cassava Farmers in Kenya. A doctoral research concept presented during the 1st Centre of Excellence for Sustainable Agricultural and Agribusiness Management(CESAAM) Regional Summer School for Graduate Students, ARC Hotel, Egerton University, 25th-29th November