Latest / The National Debt Podcast with Fexingo: Treasury, Borrowing, and Long-Term Fiscal Outlook / The Hidden Cost of Debt Maturity Lengthening
Transcript
- Lucas: Look at the numbers from January first: the federal debt has crossed thirty-nine trillion dollars. That’s three hundred and ninety thousand billion dollars. But here is the thing most people miss when they see that headline. It is not just the size of the number anymore. It is the shape of the liability. Luna: Right. You are talking about duration. The average maturity of outstanding debt has been creeping up, which means we are locking in today's high rates for much longer than we used to. Lucas: Exactly. For years, the Treasury managed the yield curve by issuing mostly short-term bills. If rates spiked, you just rolled them over quickly. But now, with the ten-year yield sitting around four point nine four percent and the thirty-year pushing past five point two percent, they are shifting toward longer maturities to manage cash flow volatility. That sounds like prudent treasury management until you realize it eliminates the optionality to refinance cheaper later. Luna: So we are trading flexibility for certainty. But if the certainty includes paying five percent interest for thirty years, that feels less like safety and more like a trap door opening under our feet. Lucas: It is a structural shift in the government's balance sheet. Let me give you a concrete example. In the early nineties, the average maturity of US debt was roughly four years. Today, it is closer to six or seven years depending on the quarter. When you stretch that out, you are essentially telling the bond market that you expect inflation or growth risks to persist for a decade. And the market is listening. Luna: But doesn't the Treasury have to issue something? They cannot just stop borrowing. Isn't this just the natural evolution of a growing economy? Lucas: They have to borrow, yes. But the question is why they are choosing longer tenors right now. Historically, issuers prefer short-term debt because it is cheaper. Right now, the spread between the two-year note at four point six seven percent and the ten-year at four point nine four percent is only twenty-five basis points. That is a tiny premium to pay for an extra eight years of safety. Most rational actors would take the cheap money. The fact that the Treasury is taking the expensive money suggests they are scared of rollover risk. Luna: Rollover risk. So they are afraid that in three months, rates will jump to six percent and they won't be able to sell bills without crashing the price. They are pre-committing to avoid that panic. Lucas: Precisely. They are managing their own liquidity crisis by pushing the pain into the future. This creates what economists call fiscal dominance. The central bank wants to keep rates stable, but the Treasury is forced to issue long-duration paper regardless of where the Fed Funds rate is. We saw the Fed Funds effective rate hover around three point six three percent recently, yet the market demands five percent for long-term exposure. That disconnect is the friction point. Luna: It feels like the government is betting against itself. If they think rates are going to stay high or go higher, why not wait? Why lock in five percent for thirty years right now? Lucas: Because waiting is dangerous. If you rely on short-term bills and demand spikes, you can get squeezed. Think about the transport companies sounding alarms on fuel prices. Energy volatility drives operational costs. If the government faces a sudden revenue shortfall due to an economic shock, having a long-dated bond already sold removes the need to scramble for cash in a stressed market. It is defensive borrowing. Luna: I see. So it is less about maximizing efficiency and more about minimizing the chance of a liquidity freeze. But who buys these thirty-year bonds if everyone knows rates might drop later? Lucas: Insurance buyers. Pension funds, insurance companies, and foreign central banks looking for long-haul stability. They do not care if rates drop next year. They care about matching liabilities that last thirty years. So the buyer base is actually quite healthy. The problem is not who buys it. The problem is what happens to the rest of the economy when the government absorbs so much capital at such a high cost. Luna: You mean crowding out. If the government takes all the available long-term capital, private borrowers have to pay even more. Is that really happening right now? Lucas: It is subtle, but it is there. Look at corporate bond spreads. When the Treasury issues heavily at five percent, corporations need to offer five and a half percent or six percent to attract investors. This raises the cost of capital for everything from factory expansion to tech infrastructure. We are seeing consumer sentiment dip despite a solid economy partly because the cost of borrowing remains elevated for everyone else. The government is effectively pricing the risk-free rate at five percent, which drags the entire market up with it. Luna: That is a heavy drag. So the consumer feeling the pinch from oil and rates is indirectly feeling the pinch of federal borrowing strategy. It is a second-order effect. Lucas: Exactly. It is a feedback loop. Higher debt service costs lead to more borrowing, which leads to higher yields, which makes borrowing more expensive. It is a self-reinforcing cycle. And the scariest part is that this cycle is baked in for decades. You cannot just change policy tomorrow to lower the maturity profile without disrupting the bond market. You are stuck with the baggage you packed thirty years ago. Luna: So we are mortgaging our policy options for the next generation. I guess that is the ultimate definition of national debt. Lucas: It is. And while we are discussing how the mechanics of borrowing are shifting the burden forward, remember that this show is produced entirely by listener support. If walking through the economy with us has made something click, consider supporting us directly. Visit buy me a coffee dot com slash fexingo to help keep these episodes ad-free and independent. Luna: We appreciate every bit of support. It allows us to dig deeper into these structural shifts without worrying about advertisers dictating the narrative. Thanks for keeping the lights on. Lucas: Back to the data. Let's look at the actual composition of the debt held by the public versus intragovernmental holdings. The public debt is now roughly thirty-three trillion dollars. Of that, foreign holders own about seven and a half trillion. That number has been declining steadily as countries like Japan and China reduce their exposure to US dollar assets. Luna: Seven and a half trillion is still massive. Are we seeing a crisis in foreign demand, or is it just a gradual rebalancing? Lucas: It is a gradual rebalancing, but the direction matters. When foreign buyers exit, domestic institutions have to step in. That means US pension funds and mutual funds are absorbing more of the long-term debt. This increases the correlation between the stock market and the bond market. When equities sell off, bond yields often rise too, because investors pull money out of funds to cover losses elsewhere. Luna: So the insulation layer between stocks and bonds is thinner. If the Treasury needs to sell more long-term bonds to foreigners who are leaving, the domestic market becomes the backstop. That increases volatility. Lucas: Correct. And volatility is the enemy of long-term planning. If yields swing wildly, companies delay investment. That slows growth. Slower growth means lower tax revenues. Lower revenues mean more borrowing. We are back to the start of the loop. It is a tight circle. Luna: Is there any precedent for this? Has the US ever locked in high rates for this long before? Lucas: Not exactly like this. After World War II, the Federal Reserve capped yields to help the Treasury fund the war effort. But that was active suppression. Today, the yields are market-driven. The difference is that in the forties, inflation eventually eroded the real value of the debt. Here, with productivity growth slowing, inflation might not be enough to wipe out the principal. We might have to pay the full nominal amount in dollars that are worth significantly less in purchasing power. Luna: So the real burden is hidden in the currency devaluation. We pay back the loan with cheaper dollars, but the interest rate stays high in nominal terms. It is a double-edged sword. Lucas: Double-edged indeed. The government wins on the principal repayment, but the taxpayers lose on the purchasing power of their income. And the bondholders win on the yield, but lose on the real return if inflation runs hot. Everyone is hedging against everyone else. Luna: It sounds like a game of musical chairs where the music never stops. Just keeps getting louder. Lucas: A good analogy. And the chairs are getting fewer as foreign buyers leave. Which brings us to the role of the Federal Reserve. Even though they are not currently buying Treasuries in large scale, their policy rate sets the floor. With the overnight rate at three point eight eight percent, the Fed is signaling that they are comfortable with restrictive policy. This supports the long-end yields. Luna: So the Fed is essentially endorsing the Treasury's borrowing strategy by keeping short-term rates high enough to make long-term bonds attractive. They are cooperating in the maturity extension. Lucas: Inadvertently, yes. The Fed cares about inflation and employment. They do not care about the Treasury's debt profile. But by keeping the terminal rate high, they ensure that new issuance is expensive. If they cut rates aggressively, the yield curve steepens, and the cost of long-term debt explodes even faster. So they are trapped between cutting rates and hurting inflation, or keeping rates high and hurting growth. Luna: Which is why they stay cautious. They would rather let the Treasury handle the borrowing pain than risk reigniting inflation. It is a cold calculation. Lucas: It is. And that coldness extends to the consumer. Remember the Goldman Sachs report on consumer sentiment? People are unhappy not just because of prices, but because the overall economic architecture feels unstable. High debt levels create a background noise of anxiety that no amount of quarterly earnings guidance can erase. Luna: Anxiety is a powerful economic force. It reduces spending. It reduces risk-taking. It freezes the economy in place. So the debt is not just a line item on a spreadsheet. It is a psychological weight. Lucas: Absolutely. And psychological weights are hard to measure but very real in their impact. When you combine that with the structural rigidity of long-term debt, you get an economy that is resistant to change. It becomes brittle. A small shock can cause disproportionate damage because there is no slack in the system. Luna: Brittle. That is the word. Flexible systems bend. Brittle systems snap. Are we snapping yet? Lucas: Not yet. But we are close to the edge of the elastic limit. The margin for error is shrinking. Every new program, every emergency, every unexpected expense pushes the system closer to breaking point. The question is whether we reinforce the structure or wait for the collapse. Luna: Reinforcement usually requires painful austerity or aggressive growth. Both seem unlikely in the current political climate. So we are likely drifting. Lucas: Drifting is a polite way to say accelerating towards a cliff. But for now, the bonds are selling. The market is absorbing the supply. The system holds. It is just... heavier. Luna: Heavier. Yes. I think that captures it perfectly. A slow, grinding weight. Lucas: As we wrap up, I want to leave you with one thought. The maturity extension is a bet that the future will be better than the present. That growth will outpace the cost of debt. If that bet pays off, we look like geniuses. If it fails, we are stuck paying for someone else's optimism. Luna: And until we know which way it falls, we are all just holding the ticket. Thanks for listening, Lucas. Lucas: Thanks, Luna. Keep your eyes on the yield curve. It tells the story we often ignore.