Efficiency Analysis of Paper Mill Using Data Envelo pment Analysis Models (Case Study: Mazandaran Wood and Paper Company in Iran)

Abstract

In this study, the relative performance of Mazandar an W ood and Paper Company as a major supplier of paper products in Iran was measur ed. Network Data Envelopment Analysis (DEA) models with parallel structure were used to evaluate and measure its performance. GAMS software version 23.4 was used fo r data analysis. Results indicated that this company in all studied years had good per formances based on the parallel DEA models. Also, according to the same models with par allel structure, 2007 and 2008 had better efficiency score than the other years. Final ly, results indicated that, using the cross efficiency models, the company had the best perform ance in 2007. This result could be due to the input-oriented nature of the models. Con sequently, by proper management and optimum consumption of the resources, the company h ad the best performance in 2007. Keywords : DEA, Ranking model, Parallel production, Paper product.