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Yonetim Fonksiyonlarinin Uygulandýgý Alanlarda Ortaya Cýkan Hata Degerlerinin Olusturduðu Yeni Iliskilerin Panel Veri Modelleri ile Irdelenmesi

Mustafa Turhan () and Ozlem Tasseven ()
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Mustafa Turhan: Okan University
Ozlem Tasseven: Okan University

Istanbul University Econometrics and Statistics e-Journal, 2010, vol. 11, issue 1, 128-153

Abstract: Since the results of the decisions made in the companies could be different, this causes loss for the company or problems for them. The reverse of this happens as well. The decisions made could bring the company in a positive area or in a very profitable position. The results of the decisions about management, coordination, organise, control and supervision which are considered as management function are not investigated in the companies. In this study the relationship between realizations and expectations about management function is tested. The area composed of errors are considered as management areas. Since the data belonging to the companies operating under the holding are a component of a whole, panel data of the companies are used. Panel regression analysis is undertaken using the financial variables of 8 companies between 1999 and 2008 in the research. In our analyses made in order to investigate the determinants of net sales it is found that personal expenses have a great impact whereas cost of material variable has a limited effect on net sales. Also, the profitability of the companies is investigated. According to research results sales it is found that personal expenses have a small coefficient whereas cost of material variable has a relatively greater effect on net sales than the other variables. Finally, it is found that there is a positive and significant relationship between the net sales and the profitability of the companies. It shows us that bigger companies have a higher probability of obtaining more profits. This finding shows us that companies could increase their profitability in case companies grow due to mergers.

Keywords: Administrative Area; Panel Data; Panel Regression (search for similar items in EconPapers)
JEL-codes: C82 C59 D29 L20 (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:ist:ancoec:v:11:y:2010:i:1:p:128-153