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A Meta-Analysis Of Technical Efficiency In Nigerian Agriculture

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  • Ogundari, Kolawole

Abstract

This study sheds light on how study specific-characteristics impact mean technical efficiency (MTE) in Nigerian agriculture. Also the paper extracts consensus message about MTE and its drivers in Nigerian agriculture based on studies covering the period 1999-2008. A meta-analysis using truncated regression was employed on a total of sixty four studies which yield eighty six observations for the econometric analysis. The regression results show that MTE in Nigerian agriculture increased significantly over the years. Study specific-characteristics such as sample size, number of inputs used as well as studies with focus on crop and livestock production were found to significantly impact MTE. Further analyses show that studies in the Northcentral, Southwest, and Southsouth regions of the country produced higher MTE. Within the sample, seventy one observations contain quantitative results on sources of technical efficiency differences usually incorporating socio-economic variables. Based on this, fifty three percent identified educations as a significant determinant of technical efficiency while thirty eight percent showed that experience is important. Extension is shown to be an important determinant by twenty three percent of the observations while nineteen percent identified age as significant determinant of technical efficiency in Nigerian agriculture over the years.

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Bibliographic Info

Paper provided by International Association of Agricultural Economists in its series 2009 Conference, August 16-22, 2009, Beijing, China with number 50327.

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Date of creation: 2009
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Handle: RePEc:ags:iaae09:50327

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Web page: http://www.iaae-agecon.org/
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Related research

Keywords: Meta-regression; Technical Efficiency; Truncated Regression; Agriculture; Nigeria; Agricultural and Food Policy; Production Economics; Productivity Analysis; D24; Q12;

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  1. John Knight & Sharada Weir, 2000. "Education Externalities in Rural Ethiopia: Evidence from Average and Stochastic Frontier Production Functions," Economics Series Working Papers WPS/2000-04, University of Oxford, Department of Economics.
  2. M. Niaz Asadullah & Sanzidur Rahman, 2005. "Farm productivity and efficiency in rural Bangladesh: The role of education revisited," Economics Series Working Papers WPS/2005-10, University of Oxford, Department of Economics.
  3. I. Okike & M.A. Jabbar & V.M. Manyong & J.W. Smith & S.K. Ehui, 2004. "Factors Affecting Farm-specific Production Efficiency in the Savanna Zones of West Africa," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 13(1), pages 134-165, March.
  4. Sharada Weir, 1999. "The effects of education on farmer productivity in rural Ethiopia," CSAE Working Paper Series 1999-07, Centre for the Study of African Economies, University of Oxford.
  5. Brummer, B. & Glauben, T. & Lu, W., 2006. "Policy reform and productivity change in Chinese agriculture: A distance function approach," Journal of Development Economics, Elsevier, vol. 81(1), pages 61-79, October.
  6. Sebastian Hess & Stephan von Cramon-Taubadel, 2008. "A Meta-Analysis of General and Partial Equilibrium Simulations of Trade Liberalisation under the Doha Development Agenda," The World Economy, Wiley Blackwell, vol. 31(6), pages 804-840, 06.
  7. Boris Bravo-Ureta & Daniel Solís & Víctor Moreira López & José Maripani & Abdourahmane Thiam & Teodoro Rivas, 2007. "Technical efficiency in farming: a meta-regression analysis," Journal of Productivity Analysis, Springer, vol. 27(1), pages 57-72, February.
  8. Phillips, Joseph M, 1994. "Farmer Education and Farmer Efficiency: A Meta-Analysis," Economic Development and Cultural Change, University of Chicago Press, vol. 43(1), pages 149-65, October.
  9. Thiam, Abdourahmane & Bravo-Ureta, Boris E. & Rivas, Teodoro E., 2001. "Technical efficiency in developing country agriculture: a meta-analysis," Agricultural Economics, Blackwell, vol. 25(2-3), pages 235-243, September.
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