TALEP BELİRSİZLİĞİNİN TÜRK İMALAT FİRMALARININ MALİYET YAPISI ÜZERİNDEKİ ETKİSİ

Maliyet katılığı işletmelerin sabit maliyetlerinin değişken maliyetlerine oranı olarak tanımlanan maliyet yapısının özelliğini betimlemektedir. İşletmelerin sabit maliyetlerinin oranının, değişken maliyetlerinden daha yüksek olması durumunda katı bir maliyet yapısından söz edilir. Bu çalışmada, Türkiye’de 1995-2014 döneminde faaliyet gösteren halka açık imalat firmalarının, faaliyet giderlerinin yapısı “maliyet katılığı” kavramı açısından incelenmektedir. Analizlerde net satışların standart sapması ile hesaplanan talep belirsizliğinin, faaliyet giderlerinin maliyet yapısı üzerine olan etkisi de ayrıca test edilmiştir. Analiz sonuçlarına göre maliyet yapısı içerisinde sabit maliyetlerin oranının artmasının ya da daha katı maliyet yapısının, imalat firmaları için daha fazla talep belirsizliği kaynaklı olduğu tespit edilmiştir. Bu sonuç, firmaların belirsizliklerle karşı karşıya kaldıkları durumda sabit maliyetlerini düşürme eğiliminde olduklarını ifade eden genel teorik beklentiyle çelişmektedir.

EFFECT OF DEMAND UNCERTAINTY ON COST STRUCTURE OF TURKISH MANUFACTURING FIRMS

Cost rigidity defines the characteristics of cost structure which is defined as the proportion of fixed costs tovariable costs of firms. When the proportion of fixed costs are higher than the variable costs, then the coststructure is defined as a rigid cost structure. The structure of operating costs of Turkish manufacturing firmsbetween years 1995 and 2014 is tested in terms of their “rigidity” in this paper. Moreover, the effect ofdemand uncertainty, as measured by the standard deviation of net sales, on the cost structure of operatingcosts is also tested. Findings support that higher levels of demand uncertainty are associated with higherportions of fixed costs in the cost structure (i.e., more rigid cost structure). That result contradicts the commonwisdom that firms tend to lower the fixed costs in their cost structure as they are confronted with uncertainty.

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