Igbekele Amos Ajibefun

Visiting Professor; Vice-Chancellor at Adekunle Ajasin University

AGRICULTURAL ECONOMICS AND RURAL SOCIOLOGY

EDUCATION

1999
Ph.D., Agricultural Economics, Federal University of Technology, Akure.
1992
M.Sc., Agricultural Economics, University of Ibadan.
1990
B.Agric. Tech., Farm Management and Extension, Federal University of Technology, Akure.

PROFESSIONAL EXPERIENCE

January 2020 – Present
Visiting Professor, Department of Agricultural Economics & Rural Sociology, Auburn University, U.S.A.
January 2015 – January 2020
Vice Chancellor, Adekunle Ajasin University, Akungba-Akoko, Ondo State, Nigeria.
November 2010 – January 2015
Rector, Rufus Giwa Polytechnic, Owo, Ondo State, Nigeria.
October 2009 – Present
Professor, Department of Agricultural and Resource Economics, Federal University of Technology, Akure, Ondo State, Nigeria
October 2006 – October 2009
Associate Professor, Department of Agricultural & Resource Economics, Federal University of Technology, Akure, Ondo State, Nigeria
February 1993 – October 2006
Lecturer, Department of Agricultural Economics and Extension, Federal University of Technology, Akure, Ondo State, Nigeria

HONORS AND AWARDS

2014
Commendation from the Ondo State Government for maintaining academic ethics, discipline and an uninterrupted academic calendar and judicious use of available funds for physical and human capital development during tenure as the Rector of Rufus Giwa Polytechnic, Owo.
2008
Commendation from Federal University of Technology, Akure, for a well delivered University Lecture on Entrepreneurship.
2006
Productivity Award as the Best Lecturer of the Year, Federal University of Technology, Akure, Nigeria.
2005
Global Development Network Outstanding Research Award- Finalist Category.
1991
Postgraduate Scholarship Award, Federal Government of Nigeria.
1991
National Youth Service Corps Honors Award, First Prize, Obubra LGA, Cross River State, Nigeria.
1990
Undergraduate Scholarship Merit Award by Ondo State Government, Nigeria.
1990
University Prize-Best Graduating Student Award, Department of Farm Management & Extension, Federal University of Technology, Akure.
1988
University Scholar, as the Student with the highest CGPA in 1987/1988 academic session in the Department of Farm Management & Extension, Federal University of Technology, Akure.

PROFESSIONAL AFFILIATIONS

Nigerian Association of Agricultural Economics
International Association of Agricultural Economists (IAAE)
African Economic Research Consortium (AERC) Network
Asian Society of Agricultural Economists (ASAE)
Nigerian Economic Society (NES)
Nigerian Participatory Rural Appraisal Network (NIPRANET)
European Society for Soil Conservation (ESSC)

COURSES TAUGHT

AGEC 3100
Computer Applications in Agricultural Economics
AGEC 5010
Farm Management
AGEC 6010
Farm Management

Project/ Thesis / Dissertation

    • Ajibefun, I. A. (1999): Efficiency of Small–scale Food Crop Farmers in Ondo State, Nigeria: Application of Parametric and Non-parametric Frontier Production Functions. Ph.D. dissertation, submitted to the Department of Agricultural Economics and Extension, Federal University of Technology, Akure, Nigeria.
    • Ajibefun, I. A. (1992): Farmers’ Adjustment to the Structural Adjustment Program (SAP) in Odigbo Area of Ondo State, Nigeria. M.Sc. thesis submitted to the Department of Agricultural Economics, University of Ibadan, Ibadan, Nigeria.
    • Ajibefun, I.A. (1990): Evaluation of the Ondo State Agricultural Development Project. Bachelor of Agric. Technology (B. Agric. Tech.) project submitted to the Department of Agricultural Economics and Extension, Federal University of Technology, Akure, Nigeria.

Peer Reviewed Books

    • Adekunle A.A; Ellis-Jones, J, Ajibefun I.A, Nyikal R.A, Bangali S, Fatunbi O and Ange A. (2012): Agricultural innovation in Sub-Saharan Africa: experiences from multiple-stakeholder approaches. Forum for Agricultural Research in Africa (FARA), Accra, Ghana, 160pp
    • Ajibefun, I.A. (2008): Macro-Economics. Published by the National Open University of Nigeria, Lagos, Nigeria. ISBN: 978-058605-9. 104 pages

Contributions to Books

    • Daramola, A.G. and I.A. Ajibefun (2005): Sustainability of Farm Systems and Efficiency Assessment on Farms, In Oludimu, O and Ogunsiji, A (Eds), Agricultural Management: A Book of Readings, Asogun Books Publishers, Ibadan, 87-98.
    • Igbekele Ajibefun, Ryohei Kada and George E. Battese (2002): Technical Efficiency and Technological Change in Japanese Rice Industry: A Stochastic Frontier Analysis: In: S.S. Acharya, S. Singh and V. Sagar, (Eds): Sustainable Agriculture, Poverty and Food Security, Rawat Publications, Jaipur, New Delhi, India, Vol. 1, 214-225

Peer Reviewed Journal Articles

    • Edamisan Ikuemonisan; Taiwo Ejiola Mafimisebi; Igbekele Ajibefun and Kemisola Adenegan (2020): Cassava Production in Nigeria: Trends, Instability and Decomposition Analysis, accepted for publication by Journal of Economics and Sustainable Development, ISSN (Paper)2222-1700 ISSN (Online)2222-2855.
    • Edamisan Ikuemonisan; Igbekele Ajibefun and Taiwo Ejiola Mafimisebi (2019): Food Price Volatility Effect of Exchange Rate Volatility in Nigeria, Review of Innovation and Competitiveness: Vol. 4 No. 4.
    • Edamisan Ikuemonisan and Igbekele Ajibefun (2019): Economics of Unpredictable Food Prices and Youth Unemployment: Evidence from Volatility in Cereal and Oil Prices in Nigeria, Proceedings of the 14th International CYIAP Conference.
    • Adeleke M. Lydia, Oluwatosin O. John, Fagbenro O.A., Amos T.T. and Ajibefun I.A. (2019): Biodiversity, Ecosystem Degradation and Climate Change Presence and effects on Livelihood Management in the Bitumen Area of Nigeria. In: Leal Filho W. (eds) Handbook of Climate Change Resilience. Springer Nature Switzerland AG W, eBook Packages, Earth and Environmental Science. Online ISBN 978-3-319-71025-9
    • M.L. Adeleke, I. Ajibefun and A. Famoofo (2016): Adaptation strategies to reduce the effect of climate change (utilization of indigenous systems by the fisher folks) in the coastal region of Nigeria, International Journal of Fisheries and Aquatic Studies, Volume 4, Issue 4.
    • David O. Awolala, Igbekele A. Ajibefun (2015): Rice Farmers’ Vulnerability to Extreme Climate: Deploying Local Adaptation Finance in Ekiti State, Nigeria, Scientific and Academic Publishing, 5 (3), 91-100.
    • S.O. Oguntunde; I.A. Ajibefun, P.G. Oguntunde and S.C Anugwo (2014): Analysis of Trends and Association between Climatic Variables and Cocoa Yield in Ondo State, 1976-2009, Journal of Meteorology and Climate Science, Nigeria Meteorological Society, Nigeria, Volume 12, Issue 1.
    • Fatuase, A.I. and I. Ajibefun, (2014): Perception and Adaptation to Climate Change among Farmers in Selected Communities of Ekiti State, Nigeria. Journal of Agricultural Faculty of Gaziosmanpasa, University of Jafag, Turkey, Vol. 31, 101-114.
    • Mafimisebi TE, Oguntade A.E, Ajibefun I.A, Mafimisebi O.E, Ikuemonisan, E.S (2013): The Expanding Market for Herbal, Medicinal and Aromatic Plants in Nigeria and the International Scene. Med Aromat Plants, U.S.A.,2: 144. doi: 10.4172/2167-0412.1000144
    • David Awolala and Igbekele Ajibefun (2013): Food Crop Diversification and Production Efficiency: Insights from Parametric Estimations in Southern District of Ondo State, European Journal of Scientific Research, Vol. 114 No. 3, 316-324.
    • Oguntunde, S.O; Ajibefun, I.A and Oguntunde P.G (2013): Modelling the Effects of Climate Variability on Cocoa Yield in Ondo State, Nigeria (1976-2009); Applied Tropical Agriculture, Nigeria, Vol. 18, Number1 and 2, pp. 52-57.
    • Aruwajoye, A.S and Ajibefun, I.A (2013): Assessment of Livelihood Strategies Among Households In Forest Reserve Communities of Ondo State, Nigeria; International Journal of Scientific and Engineering Research; Volume 4, Number7, ISSN 2320-9127.
    • Igbalajobi, O., A.I. Fatuase, and I. Ajibefun, (2013): Determinants of Poverty Incidence among Rural Farmers in Ondo State, Nigeria. American Journal of Rural Development, USA, Vol. 1, Number 5, 131-137. doi: 10.12691/ajrd-1-5-5.
    • Adewale Isaac Fatuase and Igbekele Ajibefun (2013): Analysis of Perception and Adaptation to Climate Change among Arable Crop Farmers in Selected Communities of Ekiti State, Nigeria, Journal of Agricultural Faculty of Gaziosmanpasa University, 2013, Vol. 1, No. 1, 1-9 Available online at http://pubs.sciepub.com/jafag/1/1/1 © Science and Education Publishing DOI: 10.12691/jafag-1-1-1.
    • Awolala, D.O. and Ajibefun, I. A (2012): Modelling Farmers’ Decisions on Climate Risks Adaptation: Policy Issues from the Multinomial Logit Analysis in Ekiti State, Nigeria. International Journal of Agriculture and Food Science, Vol. 3. Number1, Pp 364- 377 (5)
    • Ogunwande, I.O; Ajibefun, I.A and Ojo, O.O (2012): Assessment of Technical efficiency Differentials Among Organic and Inorganic Fertilizer User Small Scale Arable Crop Farmers in Oyo State: A Stochastic Frontier Approach; International Journal of Applied Research and Technology, U.S.A, Vol. 1 Number2
    • Awolala, D.O and Ajibefun, I.A (2012): Gender Differential and Farm Labour Use in the Cocoa Production Sector of Ondo State, Nigeria. Applied Tropical Agriculture, Nigeria, VoL.17 Number1, 93-100
    • Igbekele A. Ajibefun (2011): Analysis of Land Use Changes in Nigeria: With Application of Integrated Bio-Economic Spatial Model, Environmental Earth Sciences, United Kingdom, pp. 329-340
    • Ajibefun, I.A. (2008): An Evaluation of Parametric and Non-Parametric Methods of Technical Efficiency Measurement: With Application to Small Scale Food Crop Production in Nigeria, Journal of Agriculture and Social Sciences (JASS), India, Vol. 4, 95–100.
    • Ajibefun, I.A. (2008): Analysis of Land Use and Land Use Change in North-Eastern Germany With Application of Geographic Information System, International Journal of Ecology & Development (IJED), India, Vol. 9; Number W08, 30-38.
    • Ajibefun, I.A. (2008): Technical efficiency analysis of micro-enterprises: Theoretical and methodological approaches of the stochastic frontier production functions applied to Nigerian data, Journal of African Economies, Oxford University, United Kingdom, pp. 1-46.
    • Olorunfemi, S. and Ajibefun, I.A. (2007): Sample Selection Analysis of Household Food Consumption in South Western Nigeria, The Social Sciences, Pakistan, Vol.4, Number1, 1-8.
    • K. Ogundari; S.O. Ojo and I. Ajibefun (2007): Economies of Scale and Cost Efficiency in Small Scale Maize Production: Empirical Evidence from Nigeria, Journal of Social Sciences, India, Vol. 14 Number 2, 131-136.
    • Ajibefun, I.A. (2006): Cropping System, Technical Efficiency and Policy Options: A Stochastic Frontier Analysis of Nigerian Small Scale farmers, Quarterly Journal of International Agriculture, Germany, Vol. 45 Number 2, 145-169.
    • Ralf Wieland; Marion Voss; Xenia Holtman; Wilfried Mirschel and Igbekele Ajibefun (2006): Spatial Analysis and modelling Tool (SAMT) 1: Structure and Possibilities, Ecological Informatics, Elsevier Science, United Kingdom, Vol. 2 Number1, 67-76.
    • Wilfried Mirschel; Ralf Wieland; Marion Voss; Igbekele Ajibefun; Detlef Deumlich (2006): Spatial Analysis and modelling Tool (SAMT) 2: Applications, Ecological Informatics, Elsevier Science, United Kingdom, Vol. 1, 77-85.
    • Ajibefun, I.A.; A.G. Daramola and A.O. Falusi (2006): Technical Efficiency of Small Scale Farmers: An Application of the Stochastic Frontier to Rural and Urban Farmers in Ondo State, Nigeria, International Economic Journal. United Kingdom, Vol. 20. Number 1, 87-104.
    • Fasoranti, M.M.; Akinrinola, O.O and Ajibefun, I.A. (2006): Impact of Micro Credit and Training on Efficiency of Small-Scale Entrepreneurs: Evidence from National Directorate of Employment (NDE) Loan/Training Programmes in Nigeria, The Social Sciences, Pakistan, Vol. 1 Number 4, 264-269.
    • Daramola, A.G. and I.A. Ajibefun (2005): Sustainability of Farm Systems and Efficiency Assessment on Farms, In Oludimu, O and Ogunsiji, A (Eds), Agricultural Management: A Book of Readings, Asogun Books Publishers, Ibadan, Nigeria, 87-98.
    • R. A. Alabi, A.G. Daramola and I.A. Ajibefun (2004): The Relative Advantage of Agroforestry System over Arable Crop Farming: Empirical Evidence from Cocoa-based Agroforestry and Arable Crop Farming Systems in Oyo State, Nigeria, International Journal of Food, Agriculture and Environment, Helsinki, Finland Vol. 2 Number 2, 169-172.
    • Ogunyinka, E.O. and Ajibefun, I.A. (2004): Determinants of Technical Inefficiency in Farm Production: Tobit Analysis Approach to the NDE Farmers in Ondo State, Nigeria, International Journal of Agriculture and Biology, Pakistan, Vol. 6, Number2, 355-358.
    • Ajibefun, I.A. and A.O. Abdulkadri (2004): Impact of Size of Farm Operation on Resource Use Efficiency in Small Scale Farming: Evidence from Southwestern Nigeria, International Journal of Food, Agriculture and Environment, Helsinki, Finland Vol. 2 Number 1, 364-369.
    • Ajibefun, I.A.; K-O Wenkel; R. Wieland and W. Mirschel (2004): Modelling of Landscape and Land Use Changes: With Application of Spatial Analysis Modelling Tool to Quillow Region of North East Germany, International Journal of Food, Agriculture and Environment, Helsinki, Finland Vol. 2 Number 2, 364 -368.
    • Adeparusi, E.O; I.A. Ajibefun and E.O. Akeremale (2003): Smoke Curing of Fish by Artisan Fisherfolks in Ilaje, Ondo State, Nigeria, ASSET series A., UNAAB, Nigeria, Vol.3, No. 4, 101-109.
    • Ajibefun, I.A. and A.G. Daramola (2003): Determinants of Technical and Allocative Efficiency of Micro-enterprises: Firm Level Evidence from Nigeria, African Development Review, Blackwell Publishing, Oxford, United Kingdom, Vol. 15, Number 2/3, 353-395.
    • Ajibefun, I.A. and A.G. Daramola (2003): Efficiency of Micro Enterprises in the Nigerian Economy, African Economic Research Consortium, Nairobi, Research Report, RP 134, African Economic Research Consortium, Nairobi, Kenya, 43pp.
    • Ajibefun, I.A (2003): Determinants of Technical Efficiency in Traditional Agricultural Production: Application of Stochastic Frontier Modelling to Food Crop Farmers in South Western Nigeria, African Journal of Economic Policy, NISER, Ibadan, Nigeria Vol. 10 No. 2, 31-56.
    • Ajibefun, I.A., R. Kada and George E. Battese (2002): Technical Efficiency and Technological Change in Japanese Rice Industry: A Stochastic Frontier Analysis: In: S.S. Acharya, S. Singh and V. Sagar, (Eds): Sustainable Agriculture, Poverty and Food Security, Rawat Publications, Jaipur, New Delhi, India, Vol. 1, 214-225.
    • Ajibefun, I.A; G.E. Battese and R. Kada (2002): Technical Efficiency, Technological Change and Productivity of Hired and Family Labour in the Japanese Rice Industry, Empirical Economics Letters, Pakistan, Vol. 1, Number 1, 21-31.
    • Ajibefun, I.A.; G. E. Battese, and A.G. Daramola (2002): Determinants of Technical Efficiency in Smallholder Food Crop Farming: Application of Stochastic Frontier Production Function, Quarterly Journal of International Agriculture, DLG-Verlag, Germany, Vol. 41, Number3, 225-240.
    • Afolabi, J.A.; I.A. Ajibefun and P.B. Imoudu (2001): An Economic Analysis of Maize Production in Ondo State, Nigeria, Journal of Agriculture, Forestry and Fisheries, University of Benin, Nigeria, Vol. 2, Number 2, 101-111.
    • Ewuola, S.O. and I.A. Ajibefun (2000): Selected Media and Socioeconomic Factors influencing Innovation Adoption by Small Scale Farmers: Evidence from Ondo and Ekiti States, Applied Tropical Agriculture, Nigeria, Volume 5, Number 1, 24-30.
    • Ojo, S.O. and Ajibefun, I. (2000): The Effects of Training on Labour Productivity and Efficiency in Oil Palm Production in Ondo State, Nigeria, Journal of Sustainable Agriculture and the Environment, Nsukka,, Nigeria, Vol. 2, No. 2, 275-279.
    • Olowofeso, E.O and Ajibefun, I. (1999): The Maximum Likelihood Estimation of Stochastic Frontier Production Function With Technical Efficiency Using Time Series Data, Journal of Science, Engineering and Technology, Enugu, Nigeria Vol. 6, Number 1, 1527-1536.
    • Ajibefun, I.A. and Daramola, A.G. (1999): Measurement and Sources of Technical Inefficiency in Poultry Egg Production in Ondo State, Nigeria, Journal of Economics and Rural Development, University of Ibadan, Ibadan, Nigeria Vol. 13, Number 2, 85-94.
    • Abdulkadri, O.A and Ajibefun, I.A (1998): Developing Alternative Farm Plans For Cropping System Decision-Making, Agricultural Systems, Elsevier Science, United Kingdom, Vol. 56, Number 4, 431-442.
    • Ajibefun, I and Abdulkadri, O.A (1998): An Investigation of Technical Inefficiency of Production of Farmers Under the National Directorate of Employment in Ondo State, Nigeria, Applied Economics Letter, Vol. 3, Number 1, 111-114, United Kingdom.
    • Olowofeso E.O and Ajibefun I.A. (1997): Time Series and Inflation Analysis of Average Retail Price Indices of Selected Consumer Items in Lagos, Nigeria, Indian Journal of Applied Economics, India, Vol. 6, No. 2, 107-117.
    • Aderinola, E.A., Ibe, C. and I.A. Ajibefun (1996): Farm Plans for Maximum Income and Food Security Among Small Scale Food Crop Farming Families in Ogun State, Nigeria, Advancement of Modelling and Simulation Techniques in Enterprises (AMSE), Tassin, France, Vol. 15, Number 1, 29-42.
    • Ajibefun, I. A., G. E. Battese and R. Kada (1996): Technical efficiency and technological change in the Japanese rice industry: A stochastic frontier analysis. Centre for Efficiency and Productivity Analysis, CEPA, Working Papers, No. 9/96, ISBN 186389 4997, Department of Econometrics, University of New England, Armidale, Australia, pp. 22.
    • Ajibefun, I.A., Battese, G.E. and Daramola, A.G. (1996): Investigation of Factors Influencing the Technical Efficiencies of Smallholder Croppers in Nigeria, Centre for Efficiency and Productivity Analysis, CEPA, Working Papers No. 10/96 Department of Econometrics, University of New England, Armidale, Australia, Pp 19.

Selected Conference Papers

    • Fatuase, A.I., Ajibefun, I. and M.O. Bobola (2014): Evaluation of Feed-Type Choices and Performance of Fish Farming in Akure South Local Government Area of Ondo State, Nigeria. Proceedings of the IIFET 2014 Australia conference at Queensland University of Technology, Brisbane, Australia from 7 to 11 July 2014.
    • Fatuase, A.I.; Ajibefun, I.A. and P.B. Imoudu (2014): Farmers’ Understandings of Climate Change in Ondo State, Nigeria. Proceedings of the Annual National Conference of the Nigerian Association of Agricultural Economists (NAAE), Federal University of Technology, Akure, Nigeria, 24th – 27th, Pp. 208 – 218.
    • Fatuase, A.I.; Ajibefun, I.; Imoudu, P.B. and A.S. Aborisade (2014): Climate Change Adaptation: A Panacea for Food Security in Ondo State, Nigeria. Proceedings of the First Faculty of Agricultural Technology International Conference, Rufus Giwa Polytechnic, Owo, Ondo State, Nigeria, 15th – 17th April.
    • Fatuase, A.I. and Ajibefun, I.A. (2013): Adaptation to Climate Change: A Case Study of Rural Farming Households in Ekiti State, Nigeria. Proceedings of the IMPACTS WORLD 2013: International Conference on Climate Change Effects, Potsdam, Germany, 27th – 30th May, 2013. Pg.132 – 141.
    • Fatuase, A.I. and Ajibefun I.A. (2013): Farmers’ Perception of Climate Change in Selected Local Government Areas of Ondo State, Nigeria. Poster Paper Presented in the Africa Climate Conference 2013 (ACC-2013), Arusha, Tanzania, 15 – 18 October 2013.
    • Ajibefun, I.A. and Fatuase A.(2012): Analysis of Perception and Adaptation to Climate Change Among Arable Crop Farmers in Ikogosi Warm Spring Communities of Ekiti state, Nigeria. A Paper Presented at the Lund Conference on Earth System Governance “Towards a Just and Legitimate Earth System Governance: Addressing Inequalities”, Lund University, Lund, Sweden, April 18-20, 2012.
    • Fatuase A. and Ajibefun, I.A., (2012): Determinants of Cassava Farmers’ Strategies for Adapting to Climate Change in Ekiti state, Nigeria. A Paper Presented at the Lund Conference on Earth System Governance “Towards a Just and Legitimate Earth System Governance: Addressing Inequalities”, Lund University, Lund, Sweden, April 18-20, 2012.
    • Awolala, D.O and Ajibefun, I.A (2010): Mitigation Abatement Policies and the Future of Nigerian Economy: Issues for Policy Consideration from Global Climate Dynamics. A paper Presented at the FUTA Akure International Humboldt Kolleg on the theme, Agricultural Productivity and Food Security Problems in Africa: Prospects and Challenges; Federal University of Technology, Akure, June 6-9, 2010
    • Igbekele Ajibefun (2009): Social and economic implications of land use change on agricultural production and food security among smallholder farm families in Nigeria, Tropentag 2009, October 6 – 8, Hamburg, Germany
    • Ajibefun, I.A. (2009): Demand, Supply and Marketing of Medicinal Plants, Proceedings of the Humboldt Kellog/5th Annual Agric. Conference on Formulation of Medicinal Plants for Crop and Animal Production in Nigeria: Realities and Challenges, Federal University of Technology, Akure, Nigeria, 21st -23rd April, 2009, 28-34.
    • Awolala, D.O and Ajibefun, I.A (2006): Socioeconomic Analysis of Diversification Food of Crop Farmers in Ondo State: Application of Stochastic Frontier Function. In: G.E Onibi, S.O Agele, V.A.J. Adekunle and Akinbulumo, M.O. (eds) Agricultural Research for Development in Nigeria. Proceedings of the 2nd Annual Conference of School of Agriculture and Agricultural Technology, FUTA, 24th May, 2006
    • Ajibefun, I.A. (2006): Linking Socio-Economic and Policy Variables to Technical Efficiency of Traditional Agricultural Production: Empirical Evidence from Nigeria, Proceedings of the26th Conference of the International Association of Agricultural Economists, August 12-18, 2006, Queensland, Australia.pp1-14.
    • Aderinola, E.A.; S. Olorunfemi and I.A. Ajibefun (2006): Determinants of Household Food Security in South Western Nigeria”, Proceedings of the 2nd Annual Conference of the School of Agriculture and Agricultural Technology, Federal University of Technology, Akure, Nigeria, 24th May, 2006, pp 254-259.
    • Akinrinola, O.O. and Ajibefun, I.A. (2006): The Impact of Micro Credit on Food Production in Ondo State: An Analysis of the National Directorate of Employment Agricultural Loan Scheme, Proceedings of the 2nd Annual Conference of the School of Agriculture and Agricultural Technology, Federal University of Technology, Akure, Nigeria, 24th May, 2006, pp 273-280.
    • Awolala, D. O. and I.A. Ajibefun (2006): Rural Gender Differential and Farm Labour Use in Agricultural Production Systems in Ondo State, Nigeria, Proceedings of the 2nd Annual Conference of the School of Agriculture and Agricultural Technology, Federal University of Technology, Akure, Nigeria, 24th May, 2006, pp 178-182.
    • Ajibefun. I.A. (2005): The Impact Of Number Of Years Of Schooling On Technical Efficiency Of Nigerian Food Crop Farmers: A Stochastic Frontier Analysis, Proceedings of Global Conference on Education Research in Developing and Transition Countries, Prague, Czech Republic, 31 March-2 April, 2005, pp1-46.
    • Ajibefun, I.A.; K-O. Wenkel,; R. Wieland and W. Mirschel (2004): Development and Evaluation of Integrated Ecologic-Economic Regional Land Use Model to Study Land Use and Land Scape Changes in North East Germany, Proceedings of the 4th International Congress of the European Society for Soil Conservation, Budapest, Hungary, 25-29 May, 2004, pp 16-20.
    • Ogunyinka, Ebenezer; Odeh, Oluwarotimi; Ajibefun, Igbekele A. (2004): Examining efficiency under multi-cropping systems, Southern Agricultural Economics Association (SAEA), 2004 Annual Meeting, February 14-18, 2004, Tulsa, Oklahoma.
    • Abdulkadri, Abdullahi O and Ajibefun, Igbekele A. (2004): An Analysis Of Farm-Retail Price Spread For Jamaican Fresh Fruits, Southern Agricultural Economics Association (SAEA), 2004 Annual Meeting, February 14-18, 2004, Tulsa, Oklahoma
    • Ajibefun, I.A.; K-O. Wenkel,; R. Wieland and W. Mirschel (2004): Ecologic-Economic Modeling of Agricultural Land Use for Policy Decisions: An Integrated Model Implemented for North East Region of Germany, Proceedings of the 25th Annual Conference of German Society for Informatic in the Environment, Forest and Food Production, Rheinische Friedrich-Wilhelms-Universität, Bonn Germany, pp 129-132.
    • Ajibefun, I. A. (2002): Economic Analysis of Contribution of Livestock Production to Household Income in Ondo State, Nigeria, Proceedings of the 27th Annual Conference of Nigerian Society for Animal Production, 362-364.
    • Ajibefun, I.A. (2002): Analysis Of Policy Issues In Technical Efficiency Of Small Scale Farmers Using The Stochastic Frontier Production Function: With Application To Nigerian Farmers, Proceedings of the 13th International Management Congress, Wageningen, The Netherlands, 7th July – 12th July, 2002. ISBN 978-92-990038-0-0; 92-990038-0-7.
    • Ajibefun, I.A. and P.B. Imoudu (1996): Community Impact on the Over-exploitation of Forest Resources, Proceedings of the 24th Annual Conference of the Forestry Association of Nigeria, 37-44.

(e) Selected Technical Reports

    • Ajibefun, I.A (2009): Report of Fadama III Baseline Survey State, Nigeria
    • Igbekele A. Ajibefun; Wilfred Mirschel; Ralf Wieland and Karl-Otto Wenkel (2008): Climate Change and Agricultural Productivity: An Analysis of Impact in the Eastern Region of Germany
    • Ajibefun, I.A. (2008): Promoting Urban Homestead Fish Culture through Participatory Approach in Akure, Ondo State, Nigeria RUAF-IWMI- Funded Project
    • A.G. Daramola; J.A. Fuwape; A. Olufayo; I. A. Ajibefun; J.O. Okunlola; I. E. Okuku; . D. O. Oke M. O. Olaiya; A.K. Aladesaye (2006); Evaluation of Sustainable Options for Cocoa Rehabilitation for Small Holder Nigerian Farmers; Sustainable and Competitive Cocoa Systems (SCCS) Project (Nigeria).
    • Ajibefun, I.A (2004): Determinants of technical efficiency and policy implications in traditional agricultural production: empirical study of Nigerian food crop farmers 59pp. Report Submitted to the African Economic Research Consortium.

Selected Invited Papers / Special Lectures

  • Ajibefun, I.A (2014): Climate Change, Poverty And Agricultural Productivity: The Critical Link. An Invited Keynote Address Delivered at the Annual National Conference of the Nigerian Association of Agricultural Economists (NAAE), Federal University of Technology, Akure, Nigeria, 24th – 27th, 2014.
  • Ajibefun, I.A (2014): Higher Education In National Development; An Invited Paper Delivered At The University Of Ibadan Alumni Association, Nigeria, Okitipupa Chapter, 19th July, 2014.
  • Ajibefun, I.A (2013): Globalization of Higher Education: The case of Rufus Giwa Polytechnic, Owo, A Lead Paper Presented at the 17th Annual IEASA Conference held at the Central University of Technology, Free State Bloemfontein (CUT) South Africa August 19-23 2013
  • Ajibefun, I.A (2013): Building 21st Century Polytechnics: Issues And Challenges: Lecture Delivered at the Maiden Edition of the Rufus Giwa Polytechnic Public Lecture Series, 28th May 2013
  • Ajibefun, I.A (2013): Leadership And Youth Development: The Critical Nexus. A Keynote Address Presented At the Maiden Edition of Night of Excellence and Leadership, organized by Sunshine Youths, Solton Hotel, Ijapo Estate, Akure, 14th February, 2013.