The aim of this study is to determine the total factor productivity changes between the years 2006 and 2010 at the state forest enterprises bound to Isparta Regional Forest Directorate located at the Western Mediterranean Region in Turkey. The Malmquist productivity index (MPI) as a non-parametric approach was used in the study. The MPI is evaluated based on the data envelopment analysis. The technical efficiency change, the technological change, pure technical efficiency change, scale efficiency change and the total factor productivity change were evaluated according to three inputs and two outputs. According to the results of the study, majority of enterprises were detected to be unsuccessful in management activities and productivity due to appropriate measures. Such lack seen in success can be defined as a recession in technical efficiency. The results also showed that increase in the last period for technological change is not enough.
Key words: Malmquist productivity index, forest enterprise, data envelopment analysis, linear programming, Turkey.
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