Inflation uncertainty

Tyler Cowen linked to two posts highlighting how high monetary policy uncertainty is today due to the high levels of inflation variability. The striking thing about these posts is that at our low inflation rate, the standard deviation of inflation is just as high as it was during the 70’s.

Using the month on month changes of inflation (bottom of top chart) instead of year on year changes (top of top chart) we see inflation variability spiking in mid 2006 rather than early 2009. Furthermore, the comparison the blogs make to the 70’s glosses over that by very similar measures, inflation uncertainty was much higher in the 50’s.

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Of course, this may just be due to the crazy adjustment from the post war economy, so the policy uncertainty of the 50’s was probably low despite high the variability of inflation.

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The high level of inflation volatility and therefore policy uncertainty can help explain why there are deficit hawks and gold bugs with nominal ten year yields at 2.6%.  Ignoring the increasing deficit, the US treasury is going to have to roll over 2.5 trillion dollars worth of debt* in the next year alone, so maybe there is something to be uncertain about.

*To look this up for yourself, go here. Download the excel file and look at marketable debt. There are over 1.7 trillion dollars worth of Treasury bills and .74 trillion worth of Treasury Notes payable in the next year. The amount of inflation adjusted notes coming due is under 40 billion and there are no long term treasury bonds coming due.

About

I studied Bioengineering at the University of California at San Diego. While there I served as a trustee on the investment committee of the UCSD Student Foundation, a group that manages an endowment to fund scholarships. While in college I applied my interest in finance and economics by working as a summer associate at Clarium Capital Management, working part time my senior year, and joining full time when I graduated in 2006, staying there through August 2010. I am currently working as a portfolio manager at another global macro hedge-fund in the Presidio (And blogging about more directly market related ideas at their restricted blog). I’ve been focusing on quantitative finance, currencies, commodities, the interplay between finance and politics, demography and other long term trends.

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