I refer you to https://news.ycombinator.com/item?id=39655144

> there's a queue for rentals, so you register that you want to rent in Stockholm, and then you get put on a list, and then wait two years for it to be your turn

Price capping any good -- housing, fuel, food -- by definition produces a shortage.

A shortage is when there is more demand than supply at the market price.

And artificially lowering the market price increases the amount demanded and reduces the amount supplied.