Technical inefficiency of Vietnamese pangasius farming: A data envelopment analysis

Pham Thi Anh Ngoc*, D. Gaitán-Cremaschi, Miranda P.M. Meuwissen, Tru Cong Le, Roel H. Bosma, Johan Verreth, Alfons Oude Lansink

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

24 Citations (Scopus)


Vietnamese pangasius farming needs to produce efficiently to compete in world markets. This study investigates the input- and output-specific technical inefficiency of Vietnamese pangasius farmers. First, we used a Russell-type (input–output) directional distance function to estimate the input- and output-specific technical inefficiency. Second, we applied a bootstrap truncated regression to analyze the factors influencing these technical inefficiencies. Results show that the main challenges for enhancing the performance of Vietnamese pangasius production are inadequate use of capital assets (inefficiency of 42%) and improper methods to achieve higher fish yield (inefficiency of 30%). Input-specific technical inefficiency (pond area and feed) is negatively associated with the experience and education level of pangasius farmers. Location of the farm in a saltwater intrusion area is positively associated with the inefficiency of producing fish. Outcomes of this study are useful to identify successful strategies to minimize the use of inputs while simultaneously maximizing fish production.
Original languageEnglish
Pages (from-to)229-243
JournalAquaculture Economics and Management
Issue number2
Early online date14 Feb 2018
Publication statusPublished - Apr 2018


  • Aquaculture
  • bootstrap truncated regression
  • data envelopment analysis
  • inefficiency
  • pangasius


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