Post-Scarcity — The locals have maintained sufficient Mandate-era tech to be effectively post-scarcity in their economic structure. Everyone has all the necessities and most of the desires they can imagine. Conflict now exists over the apportionment of services and terrestrial space, since anything else can be had in abundance. Military goods and items of mass destruction may still be restricted, and there is probably some reason that the locals do not export their vast wealth.
Local Specialty — The world may be sophisticated or barely capable of steam engines, but either way it produces something rare and precious to the wider galaxy. It might be some pharmaceutical extract produced by a secret recipe, a remarkably popular cultural product, or even gengineered humans uniquely suited for certain work.