S-Space College of Business Administration/Business School (경영대학/대학원) Dept. of Business Administration (경영학과) Seoul Journal of Business Seoul Journal of Business Volume 21, Number 1/2 (2015)
Costing Rule and Cost Behavior in the Korean Defense Industry
- Yong, Hongjung; Ahn, Taesik; Jung, Hyungrok; Park, Jinha
- Issue Date
- Seoul Journal of Business, Vol.21 No.1, pp. 31-58
- This paper investigates the cost behavior in the Korean defense industry. Managers in the defense industry tend to have motivation to manage earnings because the costs incurring in the production process of defense articles are reimbursed based on cost plus contracts. Results are as follows. First, in the sample of the defense sector, SG&A costs and total manufacturing costs exhibited anti-stickiness whereas labor costs exhibited cost stickiness. Other cost components displayed symmetric cost behavior, Next, in the commercial sector, materials costs, direct material costs, total manufacturing costs, cost of goods sold, and total costs exhibited anti-stickiness. Labor costs showed cost stickiness whereas SG&A costs, overhead costs, and indirect production costs had symmetric cost behavior. Overall, the results reveals that the change rate of labor costs of the defense sector exhibits more cost stickiness to changes in sales than the commercial sector.
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