Determination of Effectiveness of Companies with Ready-Concrete Production by Data Envelopment Analysis Method

In this study, efficiency levels of ready mixed concrete producers in Sivas were calculated by data envelopment analysis method (DEA). In order for inefficient businesses to become effective, it has been determined how much improvement in input-output quantities should be made in relation to efficient businesses. In the study, efficiencies were calculated and evaluated using input and output focus CCR and BCC models. Furthermore efficiency ranking of producers determined in help of superefficiency model