Or just institute a land value tax, which would automatically penalize all those housing-cost-driving behaviors plus a bunch more (like owning a single-family h

Or just institute a land value tax, which would automatically penalize all those housing-cost-driving behaviors plus a bunch more (like owning a single-family home or a parking lot in the middle of Downtown) without needing a bunch of loophole-prone narrow ad-hoc taxes on each individual situation.