Declining birth rates and an economic downturn will further exacerbate the Matthew effect, causing young people and the wealthy to flock to Beijing, Shanghai, Guangzhou, and Shenzhen, especially Shenzhen, where young people congregate. This will lead to a continuous decline in property prices outside the core areas of these cities over the next two to three decades, while properties in the core areas will become a valuable asset. Shenzhen's land area is only one-eighth that of Beijing; therefore, land value will continue to reflect economic development.

Cities with population inflows can maintain stable housing prices

I think that because every inch of land is continuous, even the core area is not immune.

Relatively speaking