IIRC what some states do is that you can not buy or sell directly. Instead it goes seller -> state, state -> buyer. To a large extent the allocation is then sti

IIRC what some states do is that you can not buy or sell directly. Instead it goes seller -> state, state -> buyer. To a large extent the allocation is then still done by the market on the buyer's side, but the state has some leeway for overriding, e.g. highways, natural resources, environmental protection, affordable housing only, zoning.