Deflation means a dollar tomorrow is always worth more than a dollar today meaning a rational person should strive to spend as little money today as possible. This eventually locks the entire economy up into a death spiral.
I'm curious to know if this is a real phenomenon that has been observed. Would you be able to point me in the direction of resources to learn more about this?
The reason for my skepticism is that even without deflation, a dollar tomorrow is usually worth more than a dollar today, yet tons of people* don't save or invest much/any of their money, even if they're able to.
* I'm speaking from the perspective of an American FWIW.
And they will simply take your physical dollar and store it deeeep under the ground where no wild west thieves can steal it or even look at it, so that they can store it until tomorrow where it will be worth more!
The US economy was absolutely fucked for a large portion of that time period largely because of the lack of monetary policy. The economy has done much, much better since we introduced fiat.
Milton Friedman in "Monetary History of the United States" shows that fluctuations in the money supply were significantly more pronounced after fiat money began. The fed's enlightened hand on the tiller simply isn't as good as the blind actions of the free market.
Even with the prices of commodities falling, stock prices can still rise, and as long as this is higher than the deflationary rate, investing still beats hoarding.