Thing is, even if this is true - which I dispute - that doesn't necessarily mean that the condition of full employment in this hypothetical situation of a free market will produce wages at the bottom that are liveable. Amartya Sen has done a lot of work showing how famines are not necessarily caused by bad harvests so much as the collapse in the value of the wages of the poorest workers to the point where they can no longer afford to feed themselves. He specifically looked at the Bengal famine of the 1940s, during which he and his family and loads of other middle class families experienced no shortage or hardship at all, while just down the road people were starving. The harvest wasn't particularly bad - it was the means of distributing it equitably through pricing that had gone wrong.
There is no reason in a world of limited resources for any kind of unregulated market to provide for everyone. I wish I had the skills to do it, but I think it should be possible to model this in, for instance, a housing market. Where there is a limited resource - land, primarily in this case, but also building materials and workers - that is owned privately, the most profitable situation for those who already own is one of permanent shortage. What I'd like to be able to show is how this situation can be produced without any kind of controlling mind, simply through individuals and firms acting to maximise their own wealth.
That's the stupidity in my mind of Austrian school thinking - resources are limited and distributed unequally: in such a situation, there is not, and can never be, a free market. They model something that bears little resemblance to reality.
I've also been reading up on Minsky. He hypothesises that it is stability itself that sows the seeds for instability - there is no equilibrium in other words - as long periods of stability lead to riskier and riskier investments until investments in fact become Ponzi investments. The power of his argument, to my mind, comes from the way that he very precisely predicted the rise in sub-prime mortgages after a long period of stability, and described how these would eventually lead to collapse.
This paper sums up briefly his idea. And this table shows how what he predicted would happen happened - the 'sub-prime' are the Ponzi investments in Minsky's way of thinking. The 'Minsky moment', when wile coyote realises that he's run off the cliff, asset values collapse and Ponzi investments show their real (lack of) value, is pretty clear too:
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Minsky talks a lot about the way that banks are not merely facilitators of profit, but active profit-seekers themselves - and as such, are constantly looking to innovate. What I'm not clear about is whether or not he thinks that the finance for the Ponzi investments is always properly backed by a liability - a deposit of some kind - or whether he thinks that the complexity of innovative financial instruments is in fact a cover for financing that is not backed by a corresponding deposit. It would explain a lot to my mind if the latter were true.