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초록

영어

The purpose of this study is to develop the Generalized Depreciation Function (GDF) and Winfrey Depreciation Function (WDF) by reviewing methods for the depreciation accountings. The Depreciation Accounting Models (DAM), including straight-line model, declining-balance model, sum-of-the- year-digit model and sinking fund model presented in this paper, are reclassified into the charging pattern of increasing type, decreasing type and constant type. This paper also discusses the development of the GDFs based on convex type, concave type and constant type according to the demand pattern of product, frequency of plant usage, deterioration of time, relative inadequacy, Capital Expenditure (CAPEX) and Operating Expenditure (OPEX) of the Total Productive Maintenance (TPM). The WDFs presented in this paper depict a sudden degradation of plant performance by measuring the change of TPM activity at the midpoint of useful life of asset. The WDFs are classified into left-modal type, symmetrical type and right-modal type by varying the value of skewness and kurtosis. Moreover, three increasing patterns, such as convex, concave and linear types, are used in this paper to present the distinct identification of WFDs by using Instantaneous Depreciation Rate (IDR) in terms of Performance Depreciation Function (PDF) and Depreciation Density Function (DDF). In order to have better understanding of depreciation models, the numerical examples are used for evaluating the Net Operating Less Adjusted Tax (NOPLAT) and Economic Value Added (EVA). It is concluded that the depreciation models showing a large dispersion of EVA require the adjustment of NOPLAT and Invested Capital (IC) based on the objective cash basis and net operating activity for reducing the variation of EVA.

목차

Abstract
 1. 서론
 2. 조세재무관점에서 감가상각모형의 유형 및 비교
  2.1 감가상각모형의 유형
  2.2 조세재무관점에서 TFDF모형의 비교
 3. 일반화 감가상각모형의 개발 및 적용
  3.1 일반화 감가상각모형의 개발
  3.2 성능가치관점에서 GCDF의 EVA 적용
 4. Winfrey 감가상각모형의 적용
  4.1 Winfrey 감가상각모형의 특징
  4.2 Winfrey 감가상각모형(WDF)의 EVA적용
 5. 결 론
 6. References

키워드

Classification Implementation GDF WDF DAM IDR PDF DDF NOPLAT EVA IC

저자

• 최성운 [ Sungwoon Choi | 가천대학교 산업공학과 ] Corresponding Author

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