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The fundamental economic goals of the business enterprises, except with social objective ones,, is making profit from their activities, developing, providing continuity and to increase market value. Business enterprises need some performance measurement systems for adapting themselves to increasing competition and changing environmental conditions, taking right results with the right data by making accurate strategies and deciding the stage of the targets which is constructed according to their goals in the application. Because of the changes in the fields of information systems, technology, production management and management systems, necessities for checking over the performance criteria for the business enterprises occurred nowadays. Financial performance measurement systems which were used mostly before become insufficient for specifying the performance criteria for today. In this study, the performance of the cement sector listed in İstanbul Stock Exchange (IMKB) is evaluated in terms of effectiveness and efficiency by the Data Envelopment Analysis (DEA) method. [ABSTRACT FROM AUTHOR]

The purpose of the study is to compare performance efficiency of businesses listed in the sector of Fabricated Metal Products, Machinery and Equipment on Istanbul Stock Exchange (ISE) by using Data Envelopment Analysis. Data Envelopment Analysis is a method that is used to determine to effective and ineffective units, performing in same subject and using similar inputs and outputs. As a result of the analysis, it is found that 5 businesses are efficient in 4 periods of 2008. In addition to that, the potential recovery rates are calculated for the inefficient manufacturing businesses and made some recommendations how they might perform better. [ABSTRACT FROM AUTHOR]

In our world, meeting the consumer wishes and demands puts the prioty on services efficiency in providing the quality of products and services. Services efficiency is one of the most important matters and strategy in automotive sector like all sectors. In this study, automotive sector in Erzurum have been examined and some conclusions have been drawn for companies. In this study, services efficiency in seventeen dealers in automotive sector in Erzurum City Center have been examined by DEA (Data Envelopment Analysis). The performances of dealers in automotive sector is compared with the others and the efficiency rate for each dealers is assessed. Efficiency scores of each dealer are obtained and potential improvements are advised for inefficient dealers. [ABSTRACT FROM AUTHOR]