We’ve been off the gold standard for some 40 years. It was a bad decision, but could it be returned without a shock to the economy?
Considering that the economy is heading towards a massive shock if not outright collapse: I would say that there is a greater risk from not going back to the gold standard. At least the storm can be weathered much better by being on the gold standard than not.
Hence the reason why a “new” US dollar will be more than just based on gold—it will add silver, platinum, palladium, copper and nickel, also.
>> “...but could it be returned without a shock to the economy?” <<
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What economy? - The current game of musical chairs is spiraling into hell at light speed.