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Factors Affecting Technical Efficiency of Rice Farmers in Village Reservoir Irrigation Systems of Sri Lanka


  • Kularatne Mohottala Gedara,

  • Clevo Wilson,

  • Sean Pascoe,

  • Tim Robinson

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    • Sean Pascoe is with CSIRO Marine and Atmospheric Research, Ecosciences Precinct, PO Box 2583, Brisbane, Queensland 4001, Australia. E-mail: for correspondence. The remaining authors are all with the School of Economics and Finance, Queensland University of Technology, Brisbane, Australia. The authors would like to thank the two anonymous reviewers and the editor for their useful comments. Financial support from the QUT Business School and the FRDC (Project 2008/306) is gratefully acknowledged.


Given the importance of water for rice production, this study examines the factors affecting the technical efficiency (TE) of irrigated rice farmers in village irrigation systems (VIS) in Sri Lanka. Primary data were collected from 460 rice farmers in the Kurunagala District, Sri Lanka, to estimate a stochastic translog production frontier for rice production. The mean TE of rice farming in village irrigation was found to be 0.72, although 63% of rice farmers exceeded this average. The most influential factors of TE are membership of Farmer Organisations (FOs) and the participatory rate in collective actions organised by FOs. The results suggest that enhancement of co-operative arrangements of farmers by strengthening the membership of FOs is considered important for increasing TE in rice farming in VIS.