2. There’s a limit to how much housing can be built in an area, but no limit to the leveraged purchasing power of an investor.
If you look at high density property markets around the world such as several Asian cities and NYC, I think it’s clear that more construction alone can’t stop price increases due to speculation.
NYC is a good example of my original point; NYC barely builds any housing in a proportion to their existing housing stock, and they aren't even that dense outside of Manhattan!
Oregon did it at the state level in 2019 with HB2001.
https://www.usatoday.com/in-depth/news/nation/2021/04/14/zon...
The goal of increasing supply is to lower returns to such a point that they remain attractive to first-time buyers but are suboptimal for the institutional investor.
Cars are an expensive depreciating asset, and the car economy works just fine.