[forza]

Yes, non-availability. Basically high demand because of rapid urbanization, poor infrastructure, small and single city center. Low supply because of rent control on the first and second hand market, conversion of rentals and not enough new buildings. At least for the three large cities in Sweden.

[berntb]

A large factor is probably the oligopolies in the building industry, which earns lots of money with the present situation, despite little building going on.

Regulatory capture in Sweden is still not counted as corruption, for some strange reason...