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In a Hole in the Ground there Lived a Fed
(hexbear.net)
Also, they had mayors and stuff, a VERY clear class division and were technically under the rule of Gondor after the Northern Kingdom fell but Gondor didn't really have the resources or urge to do any ruling over there. Once Aragorn was in they were essentially an autonomous zone under military protection in exchange for maintaining the local roads and bridges.
Hmm. IMO it's kind of weird to assume all hobbits were ideologically identical. They clearly didn't establish a completely anarchist society for themselves, but there was also a lot of resistance to and outright ignoring of authority among them. They didn't really give a shit if they were technically under the rule of some empire, and at least some of them didn't seem to give a shit about what the Mayor had to say. I don't think we got much of an insight into their economic relations.
It's true the ones who went adventuring were—or turned into—some pretty gross bootlickers, though.