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本文利用我国近二三十年来的人均可支配收入、人均消费支出以及消费物价指数,通过协整分析和建立误差修正模型,模拟了我国城镇居民的效用函数;在考虑消费物价快速上涨和人均可支配收入的不断提高的背景下,采用等价性变化、补偿性变化以及消费者剩余变化,衡量了城镇居民的福利水平变动。本文不仅将城镇居民的福利水平定量化,而且还得出了一些重要结论:虽然单纯的物价上涨减少了城镇居民福利,单纯的可支配收入上升增加了城镇居民福利,但2007年在2006年基础上的消费物价上涨和可支配收入增加并未降低城镇居民福利。
This paper uses the per capita disposable income, per capita consumption expenditure and consumer price index in our country in the past 20 to 30 years to simulate the utility function of urban residents in our country through cointegration analysis and error correction model. Considering the rapid rise of consumer price and per capita In the context of rising disposable income, changes in the level of welfare of urban residents have been measured using changes in equivalence, compensatory changes and changes in consumer surplus. This paper not only quantifies the urban residents’ welfare level, but also draws some important conclusions: Although the simple price increase reduces the urban residents’ welfare and the simple disposable income increases the urban residents’ welfare, in 2007, based on 2006 The rise in consumer prices and the increase in disposable income did not detract from the well-being of urban residents.