大城市应通过增加供给,而不是控制需求来应对城市扩张中出现的基础设施和公共服务的供求矛盾当前,阻碍生产要素在城乡间和地区间流动和再配置的制度主要就是户籍制度和土地制度。由于地方政府提供的公共服务往往是与户籍身份挂钩的,因此,公共服务制度也相应地成为了劳动力流动的障碍。而与此相连的更深层次的制度背景则是分税制之下地方政府承担公共服务支出的制度, Big cities should deal with the contradiction between supply and demand of infrastructure and public services in urban expansion by increasing supply instead of controlling demand At present, the main obstacles to the flow and relocation of production factors between urban and rural areas and between regions are the household registration system and the land system . Since public services provided by local governments are often linked to household registration status, the public service system has accordingly become an obstacle to labor mobility. The deeper institutional background connected with this is the system of local government undertaking public service expenditure under the tax-sharing system,