不對稱的仲介服務價格效果：分量迴歸法之檢驗

Asymmetric Price Effects of Residential Real Estate Brokerage Service Using Quantile Regressions

10.6128/CP.33.1.1

廖仲仁(Chung-Jen Liao)；張金鶚(Chin-Oh Chang)

搜尋模型 ； 分量迴歸 ； 仲介服務 ； Search model ； Quantile regression ； Brokerage service

都市與計劃

33卷1期（2006 / 03 / 27）

1 - 16

繁體中文

過去有關仲介服務對於交易價格影響的實證結果出現許多分歧而不一致的現象，本文認為過去相關文獻的差異，源自以普通最小平方迴歸的方式來估計仲介服務的價格效果時，會忽略住宅價格條件分配的差異。以分量迴歸估計後發現，仲介服務係數在各價格分量呈現很大的差異且顯著。仲介服務的價格效果，在0.10分量約有4.2%的溢價，而0.75分量以上則約有-5.6%的折價現象。因此，本文嘗試以高低價格分量的不對稱訂價策略，作為仲介服務價格效果不一致現象的檢視觀點，並得到實證上的支持。

Numerous previous studies have provided conflicting empirical answers to the effect of real estate brokerage services on housing prices. This study employs quantile regression to capture what behavior exactly at each quantile of conditional house price distribution and to test the asymmetric effects of brokerage services. A key finding of this study is that the price effects of real estate brokerage services are significantly heterogeneous across the conditional price distribution. The contribution of this study to the previous literature lies in providing empirical evidence by demonstrating that brokers might exert a positive, negative, or zero impact on housing prices.

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