His legacy included mass state housing expansion, low-interest low-to-middle income loans, special savings accounts, better tenant rights and rent caps, and taxes on property speculation.
To encourage investment in productive activity, rather than non-productive investment in rent seeking and property speculation, why not consider a broad based land value tax?
His attempts, after selling off his furniture business in 1777, to extend his business into the timber trade and property speculation, however, resulted in bankruptcy by 1789.
One of the more significant reasons why the government imposes this tax is to curb property speculation, and in turn to avoid property bubbles forming.