Yes there are social mechanisms in the honest use of the word- that is, when someone proves to be a scammer they lose business in a free market. But otherwise a free market is an unregulated market. "very strong state control" is the opposite of a free market. That's central planning, and despite the name "Socialism" there's not much social about it because it does not benefit society, but it benefits the people who dictate prices (namely government bureaucrats.)