关键词: 汽车质量调整价格指数, 特征变量, hedonic模型

Abstract: This paper begins with the influential factor of price, builds up a regression model between the price and recognizable character of automobile, and uses regression model to estimate the effects of the characters’ change on the price. Two kinds of quality adjustment price index for automobile are set up and the important conclusions are as follows: according to the change trend of character coefficient for car, changes are taking place for car consumers’ perferences, especially in safety awareness. Car consumers’ safety awareness is changing from focusing on driver safety facilities configuration to that of all passengers. With the quality change eliminated from the observed price change, the price of luxury cars has an upward trend, but the price of mid-range cars has a downward trend from 2004 to 2007.

Key words: Quality adjustment price index for automobile, Character variables, Hedonic model