Technical Efficiency Measures and Its Determinants for Olive Producing Farms in Tunisia: A Stochastic Frontier Analysis

Authors: Lachaal, Lassaad; Karray, Boubaker; Dhehibi, Boubaker; Chebil, Ali

Source: African Development Review, Volume 17, Number 3, December 2005 , pp. 580-591(12)

Publisher: Wiley-Blackwell

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Abstract:

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This paper investigates farm level technical efficiency of production and its determinants in a sample of 178 olive producing farms in Tunisia using a stochastic frontier production function approach applied to cross-section data. Results indicate that technical efficiency of production in the sample of olive producing farms investigated ranges from a minimum of 58.5 per cent to a maximum of 95.5 per cent with an average technical efficiency estimate of 82 per cent. This suggests that olive producers may increase their production by as much as 18 per cent through more efficient use of production inputs. Further, the estimated coefficients in the technical inefficiency model indicate the positive effect on technical efficiency of the share of productive trees, the share of skilled labour and agricultural training. However, a negative relationship between technical efficiency and fruit trees is found.

French
Résumé: 

Ce travail examine l'efficacité technique de production et ses déterminants au niveau d'un échantillon de 178 exploitations oléicoles dans la région de Sfax (Tunisie) en utilisant un modèle d'estimation simultanée de la frontière stochastique de production et des effets de l'inefficacité technique. Les résultats empiriques montrent que l'efficacité technique moyenne des exploitations oléicoles dans la région de l'étude est de 82%. Elle varie entre un minimum de 58.5% et un maximum de 95.5%. Ceci suggère qu'une utilisation plus efficace des facteurs de production permettrait une augmentation de la production d'olives de l'ordre de 18%. Par ailleurs, l'examen des déterminants de l'efficacité technique de production révèle que cette dernière est positivement affectée par la proportion de plantations productives, la proportion de la main d'œuvre qualifiée et la formation agricole. Cependant, elle est négativement associée avec la pratique de l'amandier en intercalaire.

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1017-6772.2006.00129.x

Affiliations: 1: Lassaad Lachaal, Development Research Department, African Development Bank; Boubaker Karray, Institut de l'Olivier, Tunisia; Boubaker Dhehibi, Laboratoire de Recherches en Economie Rurale, National Agricultural Research Institute of Tunisia (INRAT); Ali Chebil, Institut National de Recherches en Génie Rural, Eaux et Forets (INRGREF), Tunisia. The corresponding author is Lassaad Lachaal, PhD, Senior Research Economist; Development Research Dept (PDRE), EPI Tower C, Room 8D1, African Development Bank; BP 323, 1002 Tunis, Tunisia; tel: (+216) 71 103 487; fax: (+216) 71 103 779; – No senior authorship is assigned., Email: l.lachaal@afdb.org, URL: http://www.afdb.org/.

Publication date: 2005-12-01

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