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Comparing the Relative Efficiency of Irrigation Unions in Antalya, Turkey: A Data Envelopment Analysis

Author

Listed:
  • Betul Sayin

    (West Mediterranean Agricultural Research Institute, Antalya, Turkey;
    Akdeniz University, Faculty of Agriculture, Department of Agricultural Economics, Antalya, Turkey)

  • Ibrahim Yilmaz

    (West Mediterranean Agricultural Research Institute, Antalya, Turkey;
    Akdeniz University, Faculty of Agriculture, Department of Agricultural Economics, Antalya, Turkey)

Abstract

This study was conducted to measure the efficiency level of irrigation unions in the Antalya Province of Turkey. An input-oriented data envelopment model, a linear programming procedure, was used to measure the relative efficiency scores of irrigation unions. Research results showed that technical efficiency (TE) scores varied between 0.39 and 1.00 and the mean TE score was 0.85. Based on the results of decomposition, the pure TE and scale efficiency were 0.81 and 0.95, respectively and the main source of inefficiency in the research area was pure TE. 47% of the examined unions had constant returns to scale, while that of decreasing returns to scale was 53%. The study also revealed that the irrigation area sustainability ratio and the ratio of energy cost in total expenses of technically efficient unions were lower than that of inefficient ones. The study suggested that restoration and modernization efforts should be initiated in order to enhance the efficiency level in the long term. Designing training for the managers and workers of the irrigation unions, adjusting the unions based on the fluctuation in energy market and declining the leakage of the irrigation system may be beneficial to increase the TE.

Suggested Citation

  • Betul Sayin & Ibrahim Yilmaz, 2015. "Comparing the Relative Efficiency of Irrigation Unions in Antalya, Turkey: A Data Envelopment Analysis," Water Economics and Policy (WEP), World Scientific Publishing Co. Pte. Ltd., vol. 1(01), pages 1-15.
    • Handle: RePEc:wsi:wepxxx:v:01:y:2015:i:01:n:s2382624x14500052
    DOI: 10.1142/S2382624X14500052
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