Look, if the precondition of "USD will lose reserve currency status" is a war between China and the US - this is really a pointless discussion. If anyone thinks China is winning when the precondition is WW3 I seriously suggest people consider what that really means practically.
"Want to eat hot pot? No fuel, no beef, no lamb."
How many of you are personally willing to live on a sustenance of Type 07 ration biscuits for a decade to see China 'win'?
FFS, it probably means that civilian internet is restricted - even if you were 'right' - it really doesn't matter.
You might as well buy guns and ammunition and canned food - because all semblance of normal economic activity will have ended and AR-15s and 5.56 ammo are worth their weight in gold- assuming nukes don't kill us all that is.
I'm interested in discussing how USD status degrades without a war - because that is actually practically useful.
Your specific query was a timespan of 5-10 years. In the next 10 years, I believe the odds of a US-China war over Taiwan are 10-20%.
So whilst this is probably not going to happen, we can see Central Banks and Investment banks today preparing to bypass or abandon the US Dollar.
And this development does have immediate practical implications for technology development with CBDCs and also company/macro strategy.
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I think it's obvious that no-one in the world welcomes such a war, except some US neocons who believe the US would win such a war at little cost to the US.
So I am pointing out that one of the costs of any US-China war, is the likely death of the US Dollar as the global reserve currency.
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Now, assuming we successfully navigate the next 10 years without a war, then it's the imperial decline scenarios that Dalio previously outlined.
It would be difficult to predict the specific events that would presage the decline of the US Dollar, but the background I imagine would be as follows:
In the 2035-2040 timeframe, I expect China to have an economy twice the size of the USA, given modest growth rates and modest currency appreciation towards PPP levels. You can run your own models.
If you combine that with likely R&D spending levels, China will almost certainly a technology leader and be independent of any sanctions from the US in terms of semiconductors and aerospace.
China is already the world's largest trading nation. And today, it is also the world's largest creditor nation by far.
In 15 years, this will be even more pronounced
I expect China to contribute somewhere between 30-40% of total global growth . Again you can run your own models.
Today's situation where the World Bank expects China to grow more than the rest of the world combined will only occur during Western recessions which regularly occur every 7 years or so.
From a military perspective, we're looking at absolute military superiority in the Western Pacific, irrespective of whatever the US military can do. However, China will be lagging behind on distant power projection abilities because aircraft carriers take so long to build.
But back to the events that might trigger a collapse in confidence in the Dollar. Maybe there is a conflict of some sort. Maybe there is a financial crisis in the US, and China bails out the US as part of a bigger deal. Maybe China opens up the RMB and commodity-producers such as Russia and the Middle East switch to the RMB, thereby forcing everyone else to switch and start the stampede out of the USD.
As I say, it's difficult to predict specific events.
It won't be a gradual degradation of the US Dollar. It will be a sharp and sudden loss of confidence, so no-one wants to be left standing with all those devalued dollars.