- Why Russia Is Dumping Dollars And Buying Gold At The Fastest Pace In Decades -, page-173

This isn't true. You're muddling up a lot of other factors contributing to standards of living e.g. tech progress and productivity improvements, women entering workplace e.t.c with the monetary system. Under a stable monetary system, without the ever increasing booms and busts, and the spending to fix the busts, there is no reason why we wouldn't be even further ahead.

The real median full time income for male workers in the US has steadily declined since the US abandoned the Gold standard:

https://www.forbes.com/sites/nathanlewis/2012/06/24/economic-forensics-who-actually-destroyed-the-middle-class/#2d57cba87a3e