seems like among the more conceivable systematic ways to do this are removing MID and adding large capital-gains tax on property upon sale.
also imo interesting is @RobertJShiller idea of insurance against home-value decline. Fear of decline a big driver of nimbyism, exclusion.
"Movements and Initiatives to Decommodify Housing"
Paper presented at the International RC 21 Conference 2013 Session: Autonomous urban movements