中国经济高速增长,给城乡二元经济结构带来的矛盾日益突出。目前,中国城乡人均收入差距达3倍之多,在市场经济的条件下,这种收入差距造成了农村人口大规模向城市流动,这种流动直接促进中国城市化进程的加快,随之而来的是城市人口不断增长。保持人口数量的适度增长对于经济相对高速发展特别是人力资本高度集聚的城市是必然 The rapid economic growth in China has brought contradictions to the urban-rural dual economic structure increasingly prominent. At present, the per capita income gap between urban and rural areas in China is as much as three times as large. Under the market economy, this income gap has caused large-scale rural population migration to cities. This kind of migration directly accelerates the process of urbanization in China. The city’s population is growing. Maintaining a modest increase in the population is necessary for a relatively fast-growing economy, especially in cities where human capital is highly concentrated