Back From the Moon


Economics is too important to be left to economists, apparently.

When the FOMC minutes were released this afternoon, I saw the headline “Some FOMC Members Saw ‘Considerable’ Risk to Inflation Outlook” and my jaw dropped. Here, finally, was a sign that the Fed is not completely asleep at the wheel! Here, finally, was a glimmer of concern from policymakers themselves that the central bank may be behind the curve!

Alas…my jaw soon returned to its regular position when I realized that the risk to the inflation outlook which concerned the FOMC was the “considerable” risk that it might fall.

A quick review is in order. I know it is a new year and we are still shaking off the eggnog cobwebs. Inflation is caused (only) when money growth is faster than GDP growth. In the short run, that holds imprecisely because of the influence of money velocity, but we also have a pretty good idea of what causes money velocity to ebb and flow: to wit, interest rates (more precisely, investment opportunities, which can be simply modeled by interest rates but more accurately should include things such a P/E multiples, real estate cap rates, and so on). And in the long run, velocity does not continue to move permanently in one direction unless interest rates also continue to move in that direction.

It is worth pointing out, in this regard, that money growth continues to swell at a 6.2% domestically over the last 12 months, and nothing the Fed is currently contemplating is likely to slow that growth since there are ample excess reserves to support any lending that banks care to do. But it is also worth pointing out that inflation is currently at 7-year highs and rising, as the chart below (source: Bloomberg) shows.

medcpi

Core inflation is also rising in Japan (0.9%, ex-food and energy, up from -0.9% in Feb 2013), the Eurozone (0.9% ex-food and energy, up from 0.6% in January 2015), and recently even in the UK where core is up to 1.2% after bottoming at 0.8% six months ago. In short, everywhere we have seen an acceleration in money growth rates, we are now seeing inflation. The only question is “why has it taken so long,” and the answer to that is “because central banks held interest rates, and hence velocity, down.”

In other words, as we head towards what looks very likely to be a global recession (albeit not as bad as the last one), we are likely to see inflation rates rising rather than falling. The only caveat is that if interest rates remain low, then the uptick in inflation will not be terrible. And interest rates are likely to remain relatively low everywhere, especially if the Fed operates on the basis of its expectations rather than on the basis of its eyeballs and holds off on further “tightenings.”

Because the Fed has really put itself in the position where most of the things it would normally do are either ineffective (such as draining reserves to raise interest rates) or harmful (raising rates without draining reserves, which would raise velocity and not slow money growth) if the purpose is to restrain inflation. It would be best if the Fed simply worked to drain reserves while slack in the economy holds interest rates (and thus velocity) down. But that is the sort of thinking you won’t see from economists but rather from engineers looking to get Apollo 13 safely home.

Want to try and get Apollo 13 safely back home? Go to the MV≡PQ calculator on the Enduring Investments website and come up with your own M (money supply growth), V (velocity change), and Q (real growth) scenarios. The calculator will give you a grid of outcomes for the average inflation rate over the period you have selected. Remember that this is an identity – if you get the inputs right, the output will be right by definition. Some numbers to remember:

  • Current velocity is 1.49 or so; prior to the crisis it was 1.90 and that is also the average over the last 20 years. The all-time low in velocity prior to this episode was in the 1960s, at about 1.60; the high in the 1990s was 2.20.
  • As for money supply growth, the y/y rate plunged to 1.1% or so after the crisis and it got to zero in 1995, but the average since 1980 including those periods is roughly 6% where it is currently. Rolling 3-year money growth has been between 4% and 9% since the late 1990s, but in the early 80s was over 10% and it declined in the mid-1990s to around 1%.
  • Rolling 3-year GDP growth has been between 0% and 5% since the 1980s. In the four recessions, the lows in rolling 3-year GDP were 0.2%, 1.7%, 1.7%, and -0.4%. The average was about 3.9% in the 1980s, about 3.2% in the 1990s, about 2.7% in the 2000s, and 1.8% (so far) in the 2010s.

Remember, the output is annualized inflation. Start by assuming average GDP, money growth, and ending velocity for some period, and then look at what annualized inflation would work out to be; then, figure out what it would have to be to get stable inflation or deflation. You will find, I think, that you can only get disinflation if money growth slows remarkably (and unexpectedly) and velocity remains unchanged or goes to new record lows. Try putting in some “normal” figures and then ask yourself if the Fed really wants to get back to normal.

And then ask yourself whether you would want Greenspan, Bernanke, and Yellen in charge of getting our boys back from the moon.

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  1. January 7, 2016 at 10:31 am

    A quick question regarding velocity’s effect on inflation. If money growth > real GDP is the root cause of inflation, how long could low velocity counteract this fundamental effect? More generally, the question might be stated: Could investor psychology outweigh interest rate increases leaving cash balances high? When would you expect the tipping point to come in the M2, velocity, GDP equation? Could we still get substantial inflation if investors don’t like high multiples, crappy capex opportunities or other interest rate driven investment ideas?

    Thanks again for writing the blog. I really do appreciate it!

    • January 7, 2016 at 8:02 pm

      The question of velocity is really a relative value perception question: when will an investor prefer to take some return by lending to someone else, or investing in equity, where the money so lent is then “in motion,” compared to keeping it inert and earning no return in a bank? And the answer, as Friedman pointed out, is related to the level of asset prices. When interest rates rise, investors will prefer to lend funds as the opportunity cost of cash rises. The correlation between 5 year interest rates and money velocity is something like 0.9 over the last 2-3 decades.

      So the reason velocity is very low right now is BECAUSE of low rates, high multiples, and crappy capex opportunities. But as rates rise and stock prices decline, and other opportunities arise, velocity will increase. Indeed, we find it is already considerably lower than would be expected for this level of interest rates (which probably means the relationship is nonlinear at low rates).

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