So, with that in mind, I'd like you to think very carefully about your position. Are you aware of any deflationary episode anywhere in the world at any time during all of recorded history? One that didn't follow closely on the heels of a period of meddling of the sort that Austrians say causes the the effects you are basing your arguments on?
P.S. "Proof" of "Stake" systems don't solve the money supply problem (assuming that there is indeed a money supply problem to begin with). If the devs all got lobotomies and switched bitcoin to POS, and all of the bitcoin users got hooked on crack and followed along with that change, the limit would still cap out a bit short of 21 million.
First, thanks for your response. I appreciate being able to have a rational discussion about this. I am extremely excited about virtual currency and would like to discuss my concerns without being having to combat blind fanboi-ism.
I think it's difficult to find an instance of a deflationary episode after 1929, because so much is done (since then) to stop them. It's definitely difficult to find any instance of rampant deflation or inflation that wasn't or couldn't be contributed to an external factor. After all, something always has to start the ball rolling.
But we do see them start, and then governments go on money printing sprees to correct them before they get out of hand. You only have to go back to 2007-2009 during the housing bubble burst in the United States to see this. Yes, the most recent US recession was
caused by greedy lending and trading schemes that created a price bubble, but the result of this bubble bursting was an influx of personal and corporate debt defaults that caused some banks to close, and virtually all banks to freeze credit. Since the United States money supply is largely generated by debt, this created a deflation in the money supply which is what caused all the problems you can still see signs of today including unemployment, entire industries failing, skyrocketing government debt (to correct the issue), etc.
I think your view of the recent bubble/burst is overly simplistic. I hope you don't take it the wrong way when I say that you appear to have swallowed the populist line about greedy bankers hook, line and sinker. That episode was far too complicated to blame on one party (unless that party is government*). Basically everyone in the country was an active participant in that fiasco.
It would take a while to sort that whole mess out and identify all of the groups participating, and what they did wrong. The short version is that "greedy lending" takes two: a lender and a borrower.
The credit freeze was an overreaction, but a temporary one. No one knew if they were solvent, and no one knew how creditworthy any potential borrowers were. The rules had been on vacation for a long time, and it took a while to adjust when they got back. Lending is once again constrained by the credit demand of creditworthy borrowers, which is a much smaller market than the credit demand of everyone with a pulse.
The most important part missing from your description is the malinvestment. During the bubble, the markets were sending the wrong signals to the wrong places. Millions of new houses were built. Everyone and their cat got a real estate license. Home improvement stores sprang from every corner, and the manufacturers of the goods sold in such stores expanded capacity. We ended up with a glut of things that we don't need, and a shortage of things that we do need. We've also made the, erm, "bold" decision to do everything in our power to prevent those malinvestments from clearing.
In my opinion, it looks like the deflation was caused by the mess, rather than the other way around.
Of course above we're talking about a potential for rampant deflation. One could argue that a small amount of deflation can be just as benign as a small amount of inflation. Of this, I'm not so sure. My hunch would be that hyper-deflation has a more inheritant run-away effect than hyper-inflation. If you like analogies I would hypothesize hyper-inflation is caused by a continual effort from a government to print too much money, or over-value goods and services and thus participate in pushing a hypothetical boulder up a hill. While hyper-deflation would be pushing a boulder down a hill. It doesn't take a whole lot to get it started, and once it's started it's hard to stop. But again, this is just an educated guess. I am not certain, and don't think anyone can be.
Hyper-deflation would probably be horrible. But I can't imagine any realistic way that it could ever happen.
So, I guess I'm a Keynesian (I didn't know this). And as a Keynesian, the deflationary nature of bitcoin is worrying. Whether or not this will be an issue, I guess time will tell.
As for POS. What I like about POS is that blocks are generated for saving the currency (as in not spending it). The rate of generation can be controlled at whatever value you like, say 1%. This acts as a built-in Treasury Bill generation to the currency constantly inflating it at a maximum of 1% per year. This pre-defined POS generation rate would also define the prime lending rate, and give the currency room to generate interest for private loans. The community could also agree to raise or lower the POS rate based on economic indicators that would require it. Currently, all implementations of POS try to offset the POS block generation by requiring mandatory transactions fees that become 'destroyed' by the network. But in principle, without these mandatory destroyed transaction fees, POS could guarantee the continual slow growth of a virtual money supply.
The properties you describe don't seem to have anything to do with "stake", assuming that such a thing has meaning. Bitcoin's subsidy decreases to zero because we want it to, not because proof-of-work requires it to.
*
Government gets special mention for shielding pretty much everyone from individual risk. Since no one had their own skin in the game, they all had incentives to be stupid. In a free market, those that take bad risks end up losing their capital and they have to sit out the next round.