#4 housing is a result of malinvestnment caused by government intervention. More government intervention, as you put here, isn’t the answer.
The answer is to remove government intervention from the mortgage market.
1. The Fed needs to sell off its ~$2T in MBS.
2. Fannie, Freddie, and (especially) Ginnie need to be fully privatized, without any explicit or implicit government guarantee. They collectively own another ~$10T in MBS.
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