You can't build faster than demand is rising (because building increases demand again). Except if demand goes down due to an external crisis. Or if you magicall

You can't build faster than demand is rising (because building increases demand again). Except if demand goes down due to an external crisis. Or if you magically could double housing with a snap, but once again later once that new housing gets occupied... more density means more job means more opportunities. "Just build more" is not a solution on its own, at all.