Japan is well known to be near-unique among world economies.
It's commonly said "There are four kinds of countries: developed countries, developing countries, Japan, and Argentina".
To point at some individual thing that happened a certain way in Japan and then try to justify some broad economic policy elsewhere in the world based on that won't work. Absent the other factors that make Japan's economy unique, the lessons there do not apply elsewhere.
People don't 'run the printers' for funsies: there are usually extraneous reasons why it happens (including a good portion of what the US (and most other countries) recently experienced).
> Now think about that – did 6 different governments [including Weimar Germany], all within a 4 year time period [in the 1920s], and all bordering each other and/or in the same post WWI region and intellectual/political climate (with the seeds of the some of the farthest right and farthest left regimes in all of history within them that would lead to WWII just ~18 years later)—
> Did all of a sudden this little world region and precise time period and intellectual milieu decide to just start spending like crazy? At the same time? While the rest of the world did not?
> Or did they share the same underlying, and preceding, set of problems discussed above?
It's commonly said "There are four kinds of countries: developed countries, developing countries, Japan, and Argentina".
To point at some individual thing that happened a certain way in Japan and then try to justify some broad economic policy elsewhere in the world based on that won't work. Absent the other factors that make Japan's economy unique, the lessons there do not apply elsewhere.
As a counterpoint to your one example re: money supply and inflation, I would present the following: https://en.wikipedia.org/wiki/Hyperinflation#Notable_hyperin...