The US thanks to the Federal Reserve, they were pretty disciplined about it up until 1971.
They were quite disciplined in the early 1930s as well, which greatly helped the Great Depression to arrive:
* http://www.nber.org/chapters/c11482
And it's not like the gold standard helps with financial/currency stability either:
* https://archive.today/FWKcL / https://www.theatlantic.com/business/archive/2012/08/why-the...
Further, 1971 isn't some magic year, as inflation was already rising in the mid-1960s:
* https://www.federalreservehistory.org/essays/great-inflation
And if you're trying to make a link to inflation, the spikes that the US (and others) saw in the 1970s had little to do with monetary/fiscal discipline, but with commodity prices:
Gold-backed currency seems suboptimal for a country unless you have enough trust in the government to honor the "backed by gold" guarantee.