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The Bitcoin Bubble (economist.com)
A reader shares an Economist article: More people will trade in Bitcoin and that means more demand, and thus the price should go up. But what is the appeal of Bitcoin? There are really three strands; the limited nature of supply; fears about the long-term value of fiat currencies in an era of quantitative easing; and the appeal of anonymity. The last factor makes Bitcoin appealing to criminals creating this ingenious valuation method for the currency of around $570. These three factors explain why there is some demand for Bitcoin but not the recent surge. The supply details have if anything deteriorated (rival cryptocurrencies are emerging); the criminal community hasn't suddenly risen in size; and there is no sign of general inflation. A possible explanation is the belief that blockchain, the technology that underlines Bitcoin, will be used across the finance industry. But you can create blockchains without having anything to do with Bitcoin; the success of the two aren't inextricably linked. A much more plausible reason for the demand for Bitcoin is that the price is going up rapidly. People are not buying Bitcoin because they intend to use it in their daily lives (Editor's note: the link could be paywalled; alternative source). People are buying Bitcoin because they expect other people to buy it from them at a higher price; the definition of the greater fool theory.
It's not that you can't short a bubble, it's that you need huge reserves to do it. You'll constantly be making a loss until the bubble bursts and having to increase your investment to continue to both recover your previous investment and earn a profit. In a bubble markets are irrational so that can be a very long time. It'll eventually pay off (if it really was a bubble), but you'll go bankrupt first. On the other hand if you can spot the bubble really is about to burst and it actually does you can potentially profit from a much smaller investment (so 'obvious' bubbles are actually easier to short), but just because there's a Bitcoin bubble doesn't mean it's going to burst yet.
It's actually pretty easy when you ponder for a moment.
We're currently in a situation not unlike that of the late 1920s. There is an enormous amount of money pooled on the investment side that is sorely lacking anything to invest in, pretty much for the same reasons: WAY more supply than demand. With a lack of demand, there is nothing "normal" you can sensibly invest your money in, it is simply not very lucrative to open a business or to finance one if said business cannot make any business for a lack of demand.
Investors back then simply parked their money in shares which drove the price for shares up. That in turn caused the middle class to turn their head. Their motivation to invest was a vastly different one. They were usually not the ones to invest in shares, their form of wealth accumulation was traditionally more one of savings and maybe bonds, but with those pretty much being destroyed by a low interest policy (and back then also the fallout with war bonds that suddenly turned out to be worthless and thus destroying faith in that form of investment), they were now looking for an alternative too, and found one in shares that looked like it wasn't that risky because, hey, they keep rising and rising! And at worst, I'll lose what I put in, and I don't get any money for savings anyway.
This is basically where bitcoins are now. My hope now is that the third act isn't repeated. Because back then people thought "Hey. Interest rates are at an all time low, share revenue is between five and ten times the loan interest, the more I take out, the higher my profit!"
We know the rest.
We used to have a Bill of Rights. Now, with the rights gone, all we have left is the bill.