Mark Thoma, Superficial Blogger

His post, &#8220-The Myth of the Social Security Shortfall&#8221-, here, but if you don&#8217-t want to defer thinking, read Mish Shedlock on pension underfunding instead. Yes, taxes will have to go up, but it&#8217-s not as though sunsetting the Bush cuts and tacking on a couple percent here or there will stem the entitlement spiral, of which social security is a single piece. Thoma is quoting Michael Hiltzik, whose message, when you strip away the authoritative tone is basically, &#8220-don&#8217-t worry so much, it&#8217-s in the future and stuff.&#8221- That strategy hasn&#8217-t worked out so far.

Deferral, abetted by private and public conflicts of interest, is the essence of the problem and is at the root of both the corporate and sovereign credit crises. Now, it&#8217-s one thing when you have an impaired balance sheet propped up by good cash flow, but there are reasons to believe that prospective growth and public income will also be lacking relative to the 20th century. These reasons of course are swept under the rug by at least one liberal economist. Paul Krugman chides someone for rambling on about demographics one day, and tells us we are turning Japanese the next. Why are we turning Japanese? Krugman sees this, but thinks we must defer that issue to deal with unemployment and deflation. To what extent, however, are unemployment, deflation, and the series of booms and busts over the last 30 years symptoms of demographics? If that&#8217-s the case, if pension rate of return assumptions are off for this or other reasons, things could get late early.

– out of your titles if you aren&#8217-t going to have any real discussion. If everything is quoted, the quotes lose their meaning and everything is implicitly endorsed.

What Does Gold Hedge Against?

&#8220-Not inflation&#8221-, the gold critics will shout, in one of their go-to arguments. This is what we hear from CNBC&#8217-s Mark Haines at every possible chance: since 1980, gold has not kept up with the CPI and so shouldn&#8217-t be used as an inflation hedge. One would point out to Mark that this is analogous to arguing for global cooling based on that one 2005 start date. If you pick basically any other start date but the one corresponding to gold&#8217-s 1980 peak, you see something different, even giving CPI a long head start over floating gold prices:

Cumulative Increase Through December 2009 &nbsp-
&nbsp- CPI Gold Gold/CPI Increase Ratio
From: &nbsp- &nbsp- &nbsp- &nbsp- &nbsp-
Jan-55 808.3% 3129.5% 3.87 &nbsp- &nbsp-
Jan-70 476.9% 3113.9% 6.53 &nbsp- &nbsp-
Jan-75 320.1% 514.8% 1.61 &nbsp- &nbsp-
Jan-80 185.0% 143.8% 0.78 &nbsp- &nbsp-
Jan-85 105.4% 254.2% 2.41 &nbsp- &nbsp-
Jan-90 71.8% 176.3% 2.45 &nbsp- &nbsp-
Jan-95 44.5% 197.8% 4.44 &nbsp- &nbsp-
Jan-00 28.5% 298.5% 10.46 &nbsp- &nbsp-
Jan-05 13.3% 155.6% 11.74 &nbsp- &nbsp-

But in shorter time-frames gold critics do have half a point. Since 2003, on a daily basis, gold returns have only been 12.5% correlated to changes in the inflation rate implied by 10-year TIPs. On a monthly basis, gold returns are 9% correlated to those of the TIPs spread.

We can look back further if we examine the the monthly performance of gold versus year-over-year changes in the CPI index. The CPI index for a given month is released in the subsequent month, so CPI monthly values are shifted forward in this study to correspond to the month of their release. The YoY change in CPI is further assumed to be the market&#8217-s expectation of future inflation. All gold prices here are daily averages based on the London PM fix through December 1974, and Comex/CME spot thereafter.

Ignoring the fact that gold generally rose in this period, it doesn&#8217-t do particularly well when inflation is elevated by this definition. A cut-off of 4% was used because it was the round number that most nearly bisected the 501 months in question, but the pattern holds-up when this parameter and other assumptions are varied:

Monthly Gold Price Changes By Inflation Rate, Apr 1968 &#8211- Dec
&nbsp- Sum Number of Months Average &nbsp- &nbsp-
Months where
&nbsp- &nbsp- &nbsp- &nbsp-
&gt- 4% 180.4% 225 &nbsp- 0.80% &nbsp- &nbsp-
&lt-= 4% 232.3% 276 &nbsp- 0.84% &nbsp- &nbsp-

So what does gold hedge against? Gold does well when real returns are low. You can&#8217-t consider inflation without looking at prevailing rates and growth. The rates used below are the average of daily 10yr constant maturity rates (GS10) within a given month. As Larry David would say, &#8220-pretty &#8230- pretty good&#8221-:

Monthly Gold Price Changes By Real Rate, Apr 1968 &#8211- Dec 2009
&nbsp- Sum Number of Months Average &nbsp- &nbsp-
Months where
real rate:
&nbsp- &nbsp- &nbsp- &nbsp-
&lt- 3% 414.0% 268 &nbsp- 1.54% &nbsp- &nbsp-
&gt-= 3% -1.3% 233 &nbsp- -0.01% &nbsp- &nbsp-

3% was used because it is again the round number that most nearly bisects the observations, but it can be varied without changing the essential result. There are also simple ways to define low real returns without a fixed parameter that show similar performance breakdowns with very different distributions of months. Now, these are retrospective studies, not trading systems, but obviously there is little chance that those returns were drawn from populations with the same mean.

It&#8217-s surprising that thoughtful types like Nouriel Roubini and Martin Feldstein have questioned gold&#8217-s inflation hedging, but didn&#8217-t mention this point &#8212- it seems glaring: people hold the relatively useless metal when real rates and opportunity cost are low. This simple point somehow never comes through in the noise surrounding gold: the glib Spam-sagacity vs. the Fall of The Republic, all the go-to arguments.

Clearly there are other factors that may throw the model off for long stretches of time. These may be false positives (e.g. non-dollar weakness) or false negatives (e.g. if gold is monetized to the point that it rises in deflation).

Putting aside the current weakness related to the Euro and elevating risk aversion, since I&#8217-m expecting real rates to be on the low end compared to the late 20th century, my bias is still long gold. If yields should rise, especially if they are driven by vigilance, gold might make less sense.

[Cross-posted with minor changes from Seeking Alpha]

Auditing the Federal Reserve – Ron Paul style

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Max Keiser and Alec Baldwin lecture little Nigel Eccles (of HubDub) on Italian cheese and the US economy.

Auction system in the NFL. – Via prof Mike Giberson from Texas.

Local newspapers are going down the toilets, and so is democracy.

– It is an L-shaped recession. [*]

[*] Happy Saturday morning, anyway. :-D