How can one assess the likelihood of a voluntary default by the world’s most important country? Is something as crazy as this likely to actually happen? If this happens, what could be the consequences? It is impossible to answer these questions. This is not because it is a “black swan” – i.e. unimaginable. A US default instead falls into a broader category of “known unknowns”, which are unpredictable, high-impact events. The financial crisis of 2007–09, the pandemic and Russia’s invasion of Ukraine were such.
Such events are impossible to predict because of their rarity and the complexity of their causes. We are not smart enough to predict when and in what form the next pandemic will unfold, when and where a war will start or American politicians will destroy the credit their country has built over centuries. Yet we know that such shocks happen. They are a part of our reality.
So, what about this specific threat? It is not common for a country to have a legislative budget and a separate authority for the necessary loans for this budget. For America, it was a product of the war’s needs: before 1917Congress had to authorize each individual loan. So far, the US debt ceiling has always been raised when needed. Apparently this has happened about 90 times.
Sensible people would conclude that the ceiling is nonsense. But this is not an irrelevance. Increasingly, Republicans regard the ceiling as leverage on spending, but not the deficit that should be offset by tax cuts. They were later happy under George W. Bush and Donald Trump. Thus, as a “lecturerFrom the Brookings Institution’s notes: “Over the past three decades, the limit has sparked political battles, during which some legislators have used the vote on the debt limit to try to slow the growth of federal spending.” This happened in 2011 under Barack Obama and in 2021 under Joe Biden, before the debt ceiling was raised to $31.4tn, where it is now. The need to raise it once again has become urgent as the federal government may run out of cash in June.
What could be the default? The answer is yes”. That’s one reason the parties are so far apart. The Republican proposal would cut total real non-military, discretionary spending by 47 percent between 2024 and 2033. That’s a big gap to bridge, even though mood music may be improving. Another reason is that major participants may feel they lack the incentive to compromise. Republicans are very fractious, some have extremely radical views and many feel an economic The disaster will also only hurt the administration. Meanwhile, Democrats may find that spending cuts are too painful. This kind of game of chicken leads to confrontation.

Some people have hope that it can still be managed, at least for the time being. The 2011 plan would include maintaining payments of interest and principal, but delaying payments to agencies, contractors, Social Security beneficiaries and Medicare providers. More radical proposals include a trillion-dollar platinum coin or resorting to the 14th Amendment, which States America: “The validity of the public debt of the United States authorized by law . . . shall not be questioned. With today’s Supreme Court, one must doubt whether it will work.”
Think of all the people, entities and countries that own Treasuries, the world’s safest and most liquid asset. A small disruption in payments can be devastating to confidence not only in treasuries but also in capital markets. The possibility of default can be disregarded as false. One’s experience would certainly be very real.

Besides, relying on America would be a big blow. Michael Strain The conservative American Enterprise Institute claims that, “Foreign leaders and global investors will look at America and see a damaging picture.” stand in the way of honoring financial obligations. Investors will think hard about allocating capital to US entities, and America’s role as a beacon of liberal values – including free markets – is severely undermined Quite simply, they would conclude that the insane asylum has been taken over by the insane.
Even if the worst is avoided this time, repeated playing of this game of chicken makes it cumulatively more likely that an accident will actually happen. Glenn Hubbard, former head of Bush’s Council of Economic Advisers, has made reasonable suggestions. What is really needed is a long-term solution, in which the theatrics of the debt ceiling is replaced by a coherent long-term budget. The current trajectory of the US debt makes such proposals necessary.

Still, the fact counts against this that potential deficit reduction efforts by Democratic presidents, such as Bill Clinton and Obama, have allowed Republicans to reduce taxes when they return to power. Given this, will there be political will to put the needs of the country above partisan gains? Nor is it a failure outright. Republicans are heavily to blame. He has been using threats of default to achieve spending and tax cuts rather than deficits, for which he has been unable to win a decisive electoral victory.
Finally, “It’s politics, idiot”. The only reason for the default is the depth of disunity in the country and the Congress. If America were less divided, the debt ceiling would not matter. In today’s divided America, it does. As long as these divisions continue, the risk of default will remain. Even if a temporary settlement is reached, the threat is likely to return soon.
martin.wolf@ft.com
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