英文摘要
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Estimating a housing price precisely is always an important issue both in real estate research and in practice by financial institutions. According to the Basel Accord, financial institutions have to review and to reassess their mortgage assets for a certain period of time to maintain asset quality and control risk. However, since it is costly to reassess a real estate property in the traditional way, it will be very troublesome and costly to reassess thousands of real estate mortgages for each institution from time to time. Therefore, constructing a mass appraisal model to reassess a large quantity of real estate mortgages has become a necessity for most financial institutions.
In this paper we first build a mass appraisal model using the hedonic equation model, including housing characteristics, neighborhood attributes, and macroeconomic variables, and then apply a dataset with more than 50,000 real estate mortgages to construct a housing price equation. According to several statistics, including R-squared, the mean absolute percentage error (MAPE), and the hit rate, we find that the estimation results of our pricing model are quite satisfactory. This implies that mass appraisal could be a good model to apply in Taiwan.
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