Comment: The US goes on a gold

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The US goes on a gold

The US goes on a gold standard. China could buy tons on gold, then release it on the market to drive the price of gold down along with the gold backed US currency. Then China buys gold back cheap.

This argument is widely spread under mainstream economists, but it is wrong to the core. It assumes static prices.
If China sold a large amount of his gold, the price wouldn't be the same for the whole transaction. After they sold half of it, the price already would have been dropped by a large amount. The same would happen in the different direction when they tried to buy it back.

At best, this would be a zero sum game for them.