Earlier quoted context omitted.
> To be clear, deflation is categorically bad for a currency. It's terrible, like great depression terrible. I hear this argument a lot, but no nation that we know of has ever collapsed because of deflation, right? We've never (recently) been in a period of significant deflation, so how can we be so certain of its effects? > deflation makes it more profitable to do nothing than to invest. Investment won't ever stop,…
> "I hear this argument a lot, but no nation that we know of has ever collapsed because of deflation, right?" And which have collapsed from inflation? None, directly. Hyperinflation (and deflation) is an effect of an economy collapsing. Not a cause. From Wiki: "Hyperinflation is often associated with wars, their aftermath, sociopolitical upheavals, or other crises that make it difficult for the government to tax the…
The Weimar Republic intentionally inflated their currency to reduce the WW1 reparations payments, which got out of control and reduced the value of the Mark to nothing.
Inflationary policies collapsed the tax base due to destroying the ability of the economy to function normally, not the other way around.
This is easily shown by the fact that as soon as the Weimar Republic re-introduced an asset-backed stable currency, the economic problems improved greatly, though there were deflationary periods after that caused by the massive economic upheaval.