3 May 2026
1. Triffin’s Dilemma – The System In One View
Dollars go out to buy real goods.
Those dollars pile up abroad.
Foreign holders need somewhere safe and liquid to park them.
They buy Treasuries and US financial assets.
That finances the next round of US deficits.
America gets the goods.
The rest of the world gets paper claims.
The problem comes when the paper claims grow faster than America’s real productive capacity - the collateral to honour them.
That is Triffin’s dilemma in the real world… but the music has not stopped yet.
Reserve currency – a currency held globally to settle trade and store value.
Triffin’s dilemma – the structural conflict between supplying global liquidity and maintaining confidence in that currency.
2. Why America Wanted This Arrangement In The First Place
At the Bretton Woods Conference, John Maynard Keynes proposed a neutral global currency, the Bancor, administered through a multilateral system, the IMF. The United States rejected this proposal and instead placed the dollar at the centre of the new order.
Of course there were objections based on a dislike or delay and bureaucracy. But the US logic was power. A neutral currency spreads influence - most suitable for a multi-polar decentralised world. A national reserve currency concentrates it - granting America what Giscaird d'Estaing called "the exorbitant privilege".
If the world must hold your currency, you gain two advantages that are structural rather than temporary. The first is financial. The United States can run persistent deficits and fund them in its own currency because the rest of the world requires dollars to function. This is that exorbitant privilege - the ability to borrow cheaply and continuously without the constraints faced by other nations.
The second is political. When global trade, finance, and reserves are denominated in your currency, you sit at the centre of the system’s plumbing. Access can be granted or denied. Sanctions become a financial act rather than a military one. This has been demonstrated repeatedly in the cases of Iran, Russia, and Venezuela.
Exorbitant privilege – the ability of a reserve currency issuer to finance deficits in its own currency without immediate external constraint.
There are two ways to interpret this choice. One is that it was a deliberate construction of dominance, for hegemony. The other is that it provided a stable anchor in a fractured post-war world. Both contain elements of truth.
Reference: Eichengreen, B. (2011), Exorbitant Privilege
3. Why Every Country Wants A Reserve Currency, Even When Trading With Each Other
Consider a transaction between two countries with volatile currencies. The risk is not theoretical. Exchange rates move. Contracts stretch over time. Profit margins can disappear between agreement and settlement.
A shared and stable reference currency removes that uncertainty. Prices are set in it. Payments are made in it. Surpluses are stored in it. Why not peg your currency to the US dollar...?
The dollar occupies this role not because it is politically preferred, but because it is liquid, widely accepted, and embedded in global systems - it is the indispensable and hard to replicate plumbing. Once a currency reaches that position, it becomes difficult to displace.
Network effects – the tendency of a system to become more dominant as more participants use it.
This creates inertia. Even if alternatives exist, the cost of switching for all participants at once is high. The system persists because it already exists.
Reference: IMF COFER database
4. How America Supplied The World With Dollars — And Why It Outsourced Its Factories
There is only one way to supply the world with dollars that enable America to control the world and be the rule-giver, the global hegemon. The United States must spend more abroad than it earns. This is done by running a persistent trade deficit.
Trade deficit – when a country imports more goods and services than it exports.
This is not necessarily a policy failure. It is the mechanism by which global liquidity is supplied. The world cannot accumulate dollars unless they are first sent out!
This came about because a structural shift in production. Manufacturing moved to lower-cost countries. The physical process of production relocated. Ownership did not. The real pivot point when China join the WTO.
American firms retained control of capital, branding, and distribution. The labour and industrial base shifted abroad. The result was a divergence between the location of production and the location of financial returns.
For industrial regions, this was often destructive. For asset owners, it could be highly profitable. The system redistributed not just goods, but income and power.
Reference: World Bank; OECD global value chains
5. Why The Dollars Always Come Back — And Why No Individual Is Forced But The System Has No Choice
When a foreign exporter receives dollars, there is no obligation to hold them. They can be exchanged, spent, or invested elsewhere. At the level of the individual actor, choice remains intact.
At the level of the system, however, the dollars do not and cannot disappear. They must be held collectively by someone. This is a consequence of the balance of payments identity.
Balance of payments – the accounting framework recording all transactions between a country and the rest of the world.
A US trade deficit necessarily produces a matching inflow on the capital account, the TGA Trading and General Account. The dollars used to purchase imports reappear as investments in US assets - FDI.
They tend to concentrate in the deepest, safest and most liquid markets. US Treasury securities, dollar funding markets, and large-scale equity markets provide that depth, sometimes prime real estate.
The result is not coercion but "gravity". Dollars flow back because the system channels them there.
Reference: Federal Reserve Flow of Funds; BIS
6. The Crucial Distinction: Which Dollars Are New (expansion of the money base) And Which Are Not
Not all dollars are the same in economic terms. When deficits are financed through monetary expansion, new dollars enter the global system. The total stock increases, the monetary base expands.
Monetary expansion – an increase in the overall supply of money.
When those dollars return as investment into US assets, no new money is created. The same dollars are reclassified as claims on the United States. (Remember what a clain is: prior to Nixon closing the gold window in 1971, a dollar could be exchanged for its equivalent value in gold.)
Over time, this leads to an accumulation of financial claims that may expand more rapidly than the underlying productive base, the collateral supporting the monetary base. The distinction between creation and recycling becomes central to understanding the system’s dynamics.
7. Why The Growing Gap Between Claims And Reality Eventually Destroys Confidence
The system functions as long as confidence holds it is after al based on "promises to pay". Dollar assets represent claims on the future productive capacity of the United States - this is from where investors imagine America's debts can be repaid.
A useful metric is the debt-to-GDP ratio, which compares total obligations to economic output.
Debt-to-GDP ratio – a measure of how large a country’s debt is relative to its economy.
If debt grows faster than output over extended periods, each claim is backed by a smaller share of real production. This is currency debasement, a gradual process rather than a sudden break, the dollar base expands faster than the physical base and so each dollar is these valued in terms of its purchasing power.
The risk emerges when creditors begin to question whether the claims they hold can ever be honoured in real terms. The shift is typically slow, but once it accelerates, it can become self-reinforcing - and eventually we get a run on the currency.
Reference: IMF Fiscal Monitor; US Treasury
8. Triffin’s Dilemma Stated Precisely
The dilemma can now be expressed in full. To provide global liquidity, the United States must run deficits and issue increasing amounts of debt. But to maintain confidence, it must avoid excessive expansion of that debt.
These requirements are incompatible over the long term. America's is a debt base financialised economy. As the Debt to GDP ratio increases, confidence in government promises wears thin and investors require higher interest rates two compensate for reduced purchasing power and risk.
What is the Fed to do? Increase interest rates two attractor lending needed to fund its budgets... and break the economy with recession? Or offer lower interest rates to save its fiscal budget, be obliged to print, and debase the currency through inflation?
If the supply of dollars is restricted, global trade and finance face a liquidity shortage. Countries dependent on dollar funding experience immediate stress. Trade contracts. Credit tightens.
If the supply continues to expand, debt accumulates and confidence erodes gradually. The system weakens from within.
The original Bretton Woods system broke under this pressure in 1971 with the Nixon Shock. The removal of gold convertibility altered the form of the system, but not the underlying tension.
Reference: Federal Reserve history
9. Concluding Perspective
Robert Triffin understood the destination early. And the dilemma is that there is no third option: trash the economy with a recession or trash the currency with inflation.
If you stop issuing dollars the world runs short, trade seizes, credit freezes, and you get a deflationary depression - the economy is trashed.
If you keep issuing dollars to meet the world's insatiable demand, the gap between claims and reality widens until confidence breaks and you get inflation, potentially runaway inflation with result the currency is trashed.
Triffin saw that the system forced America to choose, eventually, between those two forms of destruction. And that the longer the choice was deferred - by trust, by inertia, by the absence of alternatives - the more violent the eventual reckoning would be.
What made him remarkable is that he saw this not at the moment of crisis, but at the moment of maximum confidence. 1960. America at the height of its industrial and military power. The dollar seemingly unassailable. And one little Belgian economist doing the arithmetic and concluding: this ends badly, and the mechanism is already running.
He anticipated breakdown within a decade. The timing proved wrong, but the logic has endured. The system persists because there is no fully credible alternative, because global trade depends on continuity, and because confidence erodes slowly. And in the absence of imaginative alternatives, we have war.
The imbalance between real physical output and financial claims continues to widen, and that tension remains at the centre of the system. MAGAnomics was the way out....but ....
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