Comment by ironman1478

You can't look at the cost of a house out of context. If you look at Flint, Michigan it's actually one of the most expensive places in the country if you account for average income in that area. Absolute cost needs to be normalized by income in the area. The housing is actually very expensive if you do this type of calculation. We saw an example of under supply during COVID. Housing prices in "underpriced" areas increased during COVID because regions with no real economy saw people moving there with the high out of state salaries. Those areas didn't have enough supply. Now that remote work is less prevalent, those places are having their costs go down but the Bay Area is seeing skyrocketing costs. We are able to measure the effects of supply and demand pretty clearly due to COVID.

Speculation is known to have an effect, but not nearly as much as an effect as under supply. Blackrock THEMSELVES published a paper that the reason their investments are working is due to the low development of housing. Their whole strategy is reliant on NIMBYism and people's lack of understanding of the housing market.