Housing and land is a non-transable good, and therefore there should be heavy state intervention on it, preferably by doing the same as Vienna, which is holding >40% of the renting stock and charging according to income, and renting to a representative distribution of tenants so to prevent guettos. Rent is the main detractor of disposable income which hurts the rest of the economy, and property owners provide almost…
IMO the heavy state intervention should be massive capital investment into FAST public transportation infrastructure. Make areas further away from city centers viable for commuting and the problem gets largely addressed.
Streetcar suburbs[2] not only work, but are imminently sustainable compared to other forms of urban/suburban extension.
[1]: https://en.wikipedia.org/wiki/List_of_streetcar_lines_in_Bro...