Probably the most important policy tool used in terms of the vacant or unused land in Brazil is what is referred to a "progressive taxation on vacant or unused land".
This kind of service has a wide range of names and is distributed according to the principle of progressive taxation, that is, the richer the family, the heavier the burden.
The "egalitarian" Japan was a creature of the 1970s, with its progressive taxation, redistribution of wealth, subsidies and the dampening of competition through regulation.
If you live in a society that has a system of progressive taxation, aren't you obligated to pay your taxes?