phyzguy said:
People are sitting around unemployed when they could be doing productive work.
It certainly seems like this is true; but you can't just assume it. It could also be that people are sitting around unemployed because government manipulation of the economy caused them to invest time and effort building up skills that turned out not to be useful.
phyzguy said:
Factory capacity is sitting idle that could be producing goods.
Perhaps; but it could also be that factory capacity is sitting idle because it was designed to produce something that is not worth enough to justify the investment.
In both of the above cases (people investing in the wrong skills, and factories designed to produce the wrong things), it is certainly possible for them to happen in a fully free market economy where there is no government manipulation. However, when they happen in a fully free market economy, they don't last long, because people who don't have necessary skills become unemployed very quickly, and companies with factories that can't build the right things soon go bankrupt. In other words, people who try things that are bad ideas get quick feedback that they are bad ideas, so they can stop doing them and start doing something else.
But when the government manipulates the economy, it can make bad investments look like good investments, because printing money masks the price signals that tell people how much their skills are worth and companies how much the goods their factories can produce are worth. So people and companies can be led down unproductive paths for a much longer length of time before the fact that the paths were unproductive becomes apparent. Then, when it does become apparent, you get a crash as a lot of people suddenly become unemployed and a lot of companies suddenly go bankrupt (or get bailed out by the taxpayers if they can convince politicians that they are "too big to fail").
phyzguy said:
There are many historical examples that prove this.
I would say there are many historical examples that prove that governments can create apparent increases in wealth; but they do it, as above, by making bad investments look like good investments--for a while. But it never lasts, and the resulting crash is worse with government manipulation than it would have been without, because it comes after a longer period of bad investments that looked like good ones. The latest example was the crash of 2008, which came after a sustained period of bad investment that looked like good investment, because of government manipulation.
How can you tell the difference? How can you tell whether a depressed period is just a natural cycle (which, perhaps, might be mitigated by finding ways to encourage people to create weath), or is due to government manipulation? Here's the key: in a natural cycle, you don't have multiple sectors of an economy going bad all at once. One sector might have a bad period because of some natural fluctuation; but in a free market economy, that just means people shift more productive effort to other sectors to make up the difference. Only in a manipulated economy do you get a depression that affects all sectors at once.
In other words, this...
phyzguy said:
the economy as a whole is producing far less than it could.
...is not a sign that the government needs to step in. It is a sign that the government has already stepped in, far too much, and has manipulated the economy to the point that nobody can tell what is productive and what isn't, so the only thing they can do is to not take any chances--don't produce anything unless you absolutely need to. In a free market economy, the condition you describe could not exist, because people would not create productive capacity in the first place unless they intended to use it; and if it turned out to be a bad investment, it wouldn't just sit idle; it would get converted to some other use that was a better investment.