In real life, there are no markets (of any consequence) without governments to regulate them. Regulation creates the conditions under which complex economic activities can occur, and it sets the terms and limits of economic competition.
@hallmarc LOL - absolutely - chaos of sensitivity-to-initial-conditions - and unfolding afford-dances - infinite-regress - reality is not reducible to any model
@johnverdon even if there were a starting point of perfect information symmetry, an unfettered perfectly efficient free market is impossible if it's implemented by human beings. Libertarians are delusional.