探討土壤液化對於房屋買賣成交價格之影響–以臺北市為例

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题名:	探討土壤液化對於房屋買賣成交價格之影響–以臺北市為例
作者:	王聖元;WANG, SHENG-YUAN
贡献者:	產業經濟研究所在職專班
关键词:	特徵價格理論;差異中的差異法;地理資訊系統;土壤液化;捷運;房屋買賣成交價格;hedonic price approach;difference-in-difference method;geographic information systems (GIS);soil liquefaction;MRT;house price
日期:	2017-07-10
上传时间:	2017-10-27 13:58:42 (UTC+8)
出版者:	國立中央大學
摘要:	中華民國經濟部中央地質調查所於2016年3月14日公布土壤液化潛勢區網路查詢系統，提供民眾查詢不動產座落所在地點的土壤液化資訊，首波提供查詢地區包含臺北市、新北市、高雄市、新竹市、宜蘭縣、臺南市及屏東縣等七個地區，因臺北市於我國政治及經濟地位特殊，捷運及交通網絡相較其他區域完整與便捷，故本研究係探討土壤液化對於臺北市房屋買賣成交價格之影響。本研究資料來源共分為二，其一為內政部不動產交易實價查詢服務網的房屋買賣成交價格資訊，本研究係採用自2015年1月1日至2016年12月31日止之不動產買賣成交資料進行分析；其二為政府資料開放平台所提供之土壤液化潛勢區圖資。本研究利用地理資訊系統(GIS)將上述二項資料加以整理，藉以得到符合本研究所需要的樣本資料。本研究除探討房屋各項屬性、捷運站等因素對房屋買賣成交價格影響外，主要係探討土壤液化程度、土壤液化公布，及土壤液化程度與土壤液化相乘項對於房屋買賣成交價格的影響，故將研究架構分為：特徵價格法(時間效果)及差異中的差異法(宣布效果)，其中時間效果是以2016年與2015年的資料做比較，宣布效果係將宣布公開土讓液化資訊(2016年3月14日)以前及以後的房屋買賣成交價格做比較。本研究結論得到，土壤液化潛勢區資訊的公布對房屋買賣成交價格產生負向影響，且宣布效果的房屋買賣成交價格跌幅大於時間效果，顯示土壤液化資訊的公布對於房屋買賣成交價格有負面影響；惟土讓液化程度越高，及土壤液化程度與土壤液化相乘項(差異中的差異)，未對房屋買賣成交價格產生負面影響。;The Central Geological Survey, MOEA, R.O.C announced the potential area of soil liquefaction in a query system to the public on March 14, 2016. The first wave provided in the query system including Taipei, Kaohsiung, Hsinchu, Yilan, Tainan and Pingtung. Since Taipei city has a special political and economic status in Taiwan with much more convenient public transportation than other cities, this thesis focus on the influence of soil liquefaction on the house price in Taipei city. The sources of research data are divided into two parts, the first part is obtained from the Ministry of the Interior real estate transaction price query service network housing transaction price information. The study analyzes the data of house transaction between January 1, 2015 and December 31, 2016.The second part is obtained from the government open data, which provide a map of the potential area of soil liquefaction. These data are then imported to the Geographic Information System (GIS) to obtain the data samples for further statistical analysis. In addition to reviewing the factors such as house properties and MRT station on the house price, this study mainly discusses the effect of soil liquefaction degree, the soil liquefaction announcement and the product of soil liquefaction degree and soil liquefaction on house price. The structure of thesis is divided into the characteristic price method (time effect) and the difference in the difference method (declared effect).Time effect is obtained by comparing with the data between 2015 and 2016. The announcement effect is obtained by comparing the transaction price of house before and after the announcement of soil liquefaction information (March 14, 2016). The conclusion of this study shows that the publication of the potential area of soil liquefaction has a negative impact on house price and the announcement effect on the house transaction is greater than the time effect, indicating that the publication of soil liquefaction information has a negative impact on house price. However, for higher degree of soil liquefaction and the product of soil liquefaction degree and soil liquefaction (the difference in the difference) did not adversely affect the house price.
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