基于1978-2005年城乡收入比的数据,利用指数平滑法和自回归移动平均(ARMA)模型,对我国未来10年的城乡差距进行了定量预测。预测结果显示:如果政府自2002年以来实施的建设社会主义新农村的政策保持不变,力度不断加大,我国的城乡收入差距将会在2009年达到顶峰,然后开始逐渐缩小;否则,城乡收入差距会继续扩大,到2015年最大可能达到3.5:1。
The author makes a prediction on the Chinese urban and rural incomes gap of the following 10 years based on the data from 1978 to 2005 and ARMA model. The result shows that ff the government's policy would not change since 2002, the incomes gap would peak in 2009 and then decline, otherwise it would increase and peak in 2015 with the ratio is 3.5:1.