Bond vigilantes mirror the concept bond traders can assault a authorities debt market and dictate phrases that the federal government wouldn’t in any other case need. I’ve by no means preferred this idea as I believe it misconstrues the facility dynamic at play in sovereign bond markets so let’s dig into this some extra given the relevance in at present’s excessive inflation setting.
In a latest Three Minute Cash video I defined how rates of interest are set. The analogy I’ve at all times preferred is a person strolling a canine. The Fed is the person and the canine displays the lengthy finish of the bond market. The leash might be regarded as reflecting the yield curve the place the Fed has absolute management on the short-end and lets the canine wander on the lengthy finish (lengthy bonds). The federal government and Central Financial institution are foreign money monopolists and in the event that they wished to roll the leash in and set charges at 0% there’s nothing that may cease them from doing so. In different phrases, the canine can not management its potential to wander if the Central Financial institution decides to not let it wander.

One of many different necessary insights from Pragmatic Capitalism is that governments are inherently totally different from households once they fund their spending. Governments gather revenue from the mixture economic system and since they function like an mixture sector their potential to fund their spending is rather more versatile than one thing like a family which can not tax the mixture family sector. This additionally implies that the federal government can subject the nominally threat free devices within the economic system as a result of they’re the entity that taxes the entire revenue within the economic system. In different phrases, if we have been to construct a hierarchy of credit score high quality the federal government naturally sits atop the hierarchy as a result of it has the most important revenue stream within the economic system.
One of many fascinating insights from this understanding is {that a} authorities doesn’t must subject an curiosity bearing instrument to fund its spending. It might actually simply print money and there will probably be some stage of demand for it as a result of that instrument is the nominally threat free instrument within the economic system. So, as acknowledged earlier than, the federal government may have its Central Financial institution buyback each single excellent bond at a 0% rate of interest, go away it there after which subject nothing however 0% yielding foreign money. So, for example, in at present’s setting the US authorities may buyback each single excellent longer maturity bond and alternate it with a 0% curiosity bearing deposit (assuming the Fed held charges at 0%).
However this “debt monetization” isn’t a free lunch for the federal government. Regardless of having a way more versatile line of credit score the federal government doesn’t have a widow’s cruse (an limitless provide of cash). And this constraint will at all times present up within the type of inflation and/or international alternate costs. Because of this the federal government will probably be compelled to do issues it won’t in any other case need. It will embrace finances tightening and probably fee hikes (to extend demand for cash).
If we take this again to our canine strolling analogy you can say that exogenous occasions drive the federal government to alter the way in which it walks the canine. So, for example, excessive inflation is sort of a rain storm that forces the canine walker to run for shelter. Within the strategy of doing so the canine walker would possibly let the leash out to permit the canine to run with higher ease. If one have been taking a look at this occasion you would possibly say that the canine is pulling the walker when in actuality the canine walker allowed the leash out as a result of the exogenous occasion compelled him to take action. It wasn’t the canine performing like a vigilante, it was the person responding to the rain storm and permitting the canine to wander greater than it usually would.
Cauasality is a giant a part of correct financial understandings. And on this case it’s necessary to know that the reason for the surge in bond yields will not be “bond vigilantes”, however a response to inflation that has compelled the federal government to run for shelter in an inflation storm.