What's Inflation For?

Why do we have, and want, inflation?

I recently watched some of a documentary- "The Monopoly of Violence"- an attack on the state from a libertarian perspective. It is the kind of thing Elon Musk and fellow Ayn Randians love to go on about- how jackbooted and totalitarian the evil state is, over the little people and wonderful entrepreneurs of our sadly oppressed Western countries. How compulsory taxation, schooling, and legal responsibility is an affront to the natural rights of man. Maybe it is better somewhere else less governed, like maybe Haiti, or Mars! The absurdity of it is grating, as they rant from comfortable chairs, protected by the innumerable services of the state.

One such service is management of the monetary system. Back in the wonderful days of unregulated money, anyone could found a bank, and any bank could issue money. Sounds nuts, right? Well it was nuts, and led to numerous booms and busts in the 1800's, and countless smaller bank failures, lost fortunes, swindles, etc. Early Mormon history gives us just one small example, where Joseph Smith set up the Kirtland Bank on a fraudulent basis, issued an ocean of notes, and collapsed less than a year after founding. As the old saying has it, man is wolf to man. And anarchy, while sometimes conducive to self-organization and initiative, is more often the province of con men, swindlers, gangs- criminals of all kinds.

The recent inflation scare brought the topic of inflation front and center in the news again, after a couple of decades in remission. The Fed has a target of two percent, which seems arbitrary. Why not something else? Why not zero? If you read lots of history or Victorian novels, it becomes apparent that this idea of having, even wanting, ongoing inflation, is a modern idea. Economies used to run on a gold standard, on the pound sterling, or the Roman denarius, which were stable in value (barring debasements in the coinage) for centuries. What happened?

Modern economics happened, along with heightened trust in government institutions such as the Federal Reserve. Where we once relied on the perceived and relatively constant value of rare minerals like gold and silver for money, we have spent the last century getting off that standard and graduating to a standard simply of trust in collective insitutions to issue, manage, and account for .. notional (fiat) money such as the dollar. With that transition, we now have far more flexible ways to manage the value of this money, both preventing large swings during crises, (such as crises of balance of payment, or lack of gold mines, or episodic depressions in the business cycle), and seeking that inflation rate mentioned at the top.

John Maynard Keynes played a large role in this change, explaining why the gold standard was a barbaric relic, and that the central banks failed to mentally leave the gold standard world behind in their mismanagement of the Great Depression. He helped design the post-war Bretton Woods arrangement of exchange rates, which gradually helped wean the world off the gold standard fully, to where we are today, with fully floating exchange rates and fully fiat government issued currencies, unbacked by crystals, metals, coconuts, or anything else. 

Lots of inflation is, naturally, bad.

But why do these issuers seek inflation? Under mismanagement, inflation can easily run rampant, as the government creates money for itself to spend, beyond the economy's capacity to absorb, and beyond what its taxation policies bring back in. It is exceedingly tempting, but in the US, the citizenry and media are quite negatively inclined towards inflation, limiting our government's profligacy in that direction. But low inflation, that is a different story entirely. The Fed's two percent target is founded on several beneficial consequences:

• Low and consistent inflation encourages investment, as opposed to hoarding cash. If cash loses value continually, then savers need to find places to put their money where it can grow and that means investing in hopefully productive pursuits like stocks, bonds, businesses, real estate, etc... things that make our economy go around.
• Low and consistent inflation takes money from workers, silently. It is a subtle way to sink the general wage scale, lowering pay for non-innovative sectors and increasing (relative) productivity, as more dynamic sectors engage in more active wage negotiations and give higher pay. This effect is mitigated by union negotiations that seek to make up for inflation losses, and sometimes exceed them, thus accelerating inflation.
• Low and consistent inflation guards against deflation, giving the central bank more scope to lower interest rates in a crisis. At two percent inflation, interest rates may be at four percent, so setting rates at zero in a crisis would have a stimulatory effect, which would not be possible if inflation were already at zero. Granted, the Fed and the Federal government has plenty of other tools to prevent deflation, but deflation is also far more dangerous than inflation, thus a preference for low inflation as a consistent policy target.
• Low and consisten inflation creates a psychological impression of growth, as the monetary value of things goes inexorably up. Real estate is most obvious, but everything is worth "more" over time, and, like the wage theft argument, people think generally in nominal (monetary) values, giving a subjective impression of gains in wealth. Values like this can be baked into the language, in terms like "millionaire".

So, while it is weird to live in a world where the value of money goes continually down and the monetary value of things continually goes up, there are positive aspects to it. At two percent, values double every 35 years and go up ten-fold every 115 years. So someday, the dollar will either become a notional, almost valueless currency, or we will want to rebase it by a couple of orders of magnitude. At any rate, monetary consistency is the gift that the state brings us, deploying its many powers to keep the monetary system stable, and thus a critical support for a flourishing society where people do not have to think too much about fluctuations in the value of their money.

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