All the existing policies of land, migration and housing, and preferential welfare for residents in downtown cumber the transformation of China big cities into multi-center cities.

• 在此基础上，本文考察了城市空间形态的内生演变及政府政策的影响，发现对中心城市的倾斜性投资政策阻碍了大城市向多中心城市的转变。