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Non-Radial Technical Efficiency of Fish Farms in Oyo State-Nigeria

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  • Non-radial measure of technical efficiency of fish farms in Oyo State was examined using Data Envelopment Analysis (DEA). Use of the non-radial measures to calculate overuse of inputs by inefficient fish farmers was demonstrated and the potential for reducing inputs used by improving efficiency was evaluated. Ordinary Least Square (OLS) was then used to determine producer characteristics that are likely to lead to higher technical efficiencies. Results indicate that the majority of fish farmers in Oyo State are not producing at the benchmark efficiency level advocated by the industry and all the determinants of efficiency had the expected sign and influence efficiency positively.
  • KEYWORDS: Non-Radial, Efficiency, Data Envelopment Analysis
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  • A.O. Ajao, S. B. Williams and E. O. Idowu. 2006. Non-Radial Technical Efficiency of Fish Farms in Oyoa State-Nigeria. In: Proceedings of the Thirteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 11-14, 2006, Portsmouth, UK: Rebuilding Fisheries in an Uncertain Environment. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2006. CD ROM. ISBN 0-9763432-3-1
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  • The National Oceanic & Atmospheric Administration Marine Fisheries Service, United States Department of Commerce (NOAA Fisheries); United Kingdom Department for Environment, Food and Rural Affairs (DEFRA); The United States Agency for International Development supported Aquaculture Collaborative Research and Support Program (ACRSP).
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