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建物價值減損之屋齡效果

Age Effect of Building Value Depreciation

摘要


建物價值隨時間經過而降低,提列該折舊的方式,便宜行事下多採定額法,且規定一定數額之「殘價率」,此論點之適當性小則影響房屋稅捐多寡、大則影響民眾於都市更新中之權益。然過去相關研究中,有論證凸型折舊者、也有主張凹型折舊者。本文以高雄市透天住宅之建物價格為對象,參考修正Cannaday and Sunderman(1986)對屋齡與價格關係之衡量方式,證實建物折舊呈現凸型;進而以該型態設置迴歸模型,分析屋齡效果。研究結果顯示,各行政區之屋齡效果具顯著差異,剩餘價值普遍較殘餘價值高。以此推論,於房屋課稅或不動產估價師執行估價,採齊一式線型規範的方式,恐無法反應實際之剩餘價值,而可能損及民眾權益。

並列摘要


Building value decreases because of physical deterioration over time. The most popular method for estimation of depreciation is straight-line method. However, some empirical studies show it is concave, and some literatures illustrate convex depreciation. In this paper, we use real building price database from Kaohsiung City and use a log-linear model to test the path of depreciation. The result supports a convex path of building depreciation and residual value is higher than scrap value.We suggest that ”straight-line rate method” and ”sum of the year digits method” are better to apply on building depreciation in Kaohsiung City. Legally-specified rate should be amended.

參考文獻


林子欽、李汪穎、陳國華(2011)。公寓建物之折舊估算與房屋稅負。都市與計劃。38(1),31-46。
陳奉瑤、楊依蓁(2007)。個別估價與大量估價之準確性分析。住宅學報。16(2),67-83。
曾巨威(2011)。房屋稅課徵合理化。台北:台北市稅捐稽徵處。
Allison, P. D.(1999).Multiple Regression: A Primer.Thousand Oaks:Pine Forge Press.
Cannaday, R. E.,Sunderman, M. A.(1986).Estimation of Depreciation of Singl-Family Appraisals.AREUEA Journal.14(2),255-273.

被引用紀錄


陳麗品(2016)。臺灣地區房屋標準單價表公平性之探討〔碩士論文,國立臺中科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0061-2507201614403300

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