원가행태의 비대칭성에 관한 연구

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A Study on the Asymmetry of Cost Behavior

by Gye Seon, Jo
Advisor: Prof. Kim Seung-Young, Ph.D
Department of Accounting
Graduate School, Chosun University

In the conventional model of cost behavior generally accepted in the accounting literature, costs are taken as fixed or variable with respect to changes in activity level. In this model, variable costs vary proportionately with changes in the activity volume. However, some authors have sustained costs rise more with increases in activity volume than they fall with decreases.
This kind of cost behavior is called "sticky costs", costs are sticky if the magnitude of the increase in costs associated with an increase in volume is greater than the magnitude of the decrease in costs associated with an equivalent decrease in volume. The prevalence of sticky costs is consistent with an alternative model of cost behavior in which managers deliberately adjust resources in response to changes in volume. This model distinguishes between costs that move mechanistically with changes in volume and costs that are determined by the resources committed by managers.
When there is uncertainty about future demand and firms must incur adjustment costs to reduce or restore committed resources, managers may purportedly delay reductions to committed resources until they are more certain about the permanence of a decline in demand. This suggests that stickiness observed in one period may reverse in a subsequent period and that stickiness may be less pronounced when the observation period is longer.
The reason for this relevance consists in the fact that the basis of many managerial decisions is the knowledge of how costs can change as a function of activity level.
This study adopts the assumption that cost behavior depends on the intensity and direction of the variation in the activity driver. The question we try to answer is: are the costs of Brazilian firms sticky? Sticky costs in this study mean a more intense (positive) cost response when revenues increase than a (negative) cost response when revenues decrease in the same proportion. Therefore, the paper''s main purpose is to identify how costs behave with respect to changes in net revenues in Korean firms.
The paper is divided in five sections. In the following section, a literature review on cost behavior including published works on the existence of cost stickiness is presented. The third section describes the hypotheses to be tested and the methodology used in the study. The fourth section describes the econometric models utilized are presented and the empirical results obtained. The last section presents the conclusions.
Alternative Title
A Study on the Asymmetry of Cost Behaviour
Alternative Author(s)
Jo, Gye Seon
경영대학원 경영학석사학위과정
Awarded Date
2013. 2
Table Of Contents
Abstract ⅲ
제 1 장 서론 1
제1절 문제제기 1
제2절 연구목적 3
제3절 연구범위와 방법 4

제 2 장 원가행태에 관한 선행연구 6
제1절 원가개념과 분류에 대한 기초이론 6
제2절 원가행태의 비대칭성 8
1. 외국의 선행연구 8
2. 한국의 선행연구 13

제 3 장 연구설계 17
제1절 가설설정 17
제2절 표본선정 및 자료수집 19
제3절 연구모형 및 변수 정의 20

제 4 장 실증분석 결과 23
제1절 기술통계 및 상관관계 분석 23
제2절 원가의 비대칭성에 대한 분석결과 27
1. 단기간 원가행태에 관한 회귀분석결과 28
2. 원가행태 결정요인에 대한 회귀분석 31

제 5 장 연구 요약과 한계점 36

참고 문헌 39
조선대학교 대학원
조계선. (2012). 원가행태의 비대칭성에 관한 연구
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Business > Theses(Master)(경영대학원)
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