半年复半年，半年何其多，据说ECRI的预测提前半年，预测半年后WLIG归零。

The Weekly Leading Index (WLI) growth indicator of the Economic Cycle Research Institute (ECRI) is now at 0.0, the pivot point between growth and contraction, as reported in today's public release of the data through March 23rd. This is the eleventh consecutive week of improving data for the Growth Index and the highest level since August 12th of last year. The underlying WLI also improved, increasing from an adjusted 125.4 to 125.9 (see the fourth chart below).

Earlier this month ECRI posted a public commentary (March 22) with the intriguing title The Yo-Yo Years. The commentary is a version of Lakshman Achuthan's presentation at the Bloomberg Sovereign Debt Conference in Frankfurt, Germany, and is a must-read for anyone following the ECRI data.

Essentially Achuthan argues that we are entering an era of more frequent recessions as a result of two things: 1) declining economic trend growth and 2) increased cyclical volatility following the end of the Great Moderation (circa mid-1980s to 2007). The "we" in the sentence above is not only the US but also much of the developed world, especially Europe. Moreover, the idea of global "decoupling" is largely a myth because of the export dependence of most economies.

Particularly interesting is Achuthan's discussion of the Bullwhip Effect, "where small fluctuations in consumer demand growth get amplified up the supply chain into big swings in demand as we move away from the consumer." Achuthan goes on to explain the mechanics of amplification of the Bullwhip effect on more frequent recessions in developed countries to the countries that supply intermediate and crude goods.

Triggered by another ECRI commentary, Why Our Recession Call Stands, I'm now focusing initially on the year-over-year growth of the WLI rather than ECRI's previously favored, and rather arcane, method of calculating the WLI growth series from the underlying WLI (see the endnote below). Specifically the chart immediately below is the year-over-year change in the 4-week moving average of the WLI.

As the chart above makes clear, the WLI YoY is currently at a lower level than at the starting month for five of the seven recessions during the published series. Of course, the same can be said for its interim YoY trough in 2010. In any case, the behavior of this indicator over the next quarter or so will be especially interesting to watch.

On September 30th, ECRI publicly announced that the U.S. is tipping into a recession, a call the Institute had announced to its private clients on September 21st. Here is an excerpt from the announcement:

Early last week, ECRI notified clients that the U.S. economy is indeed tipping into a new recession. And there's nothing that policy makers can do to head it off.

ECRI's recession call isn't based on just one or two leading indexes, but on dozens of specialized leading indexes, including the U.S. Long Leading Index, which was the first to turn down — before the Arab Spring and Japanese earthquake — to be followed by downturns in the Weekly Leading Index and other shorter-leading indexes. In fact, the most reliable forward-looking indicators are now collectively behaving as they did on the cusp of full-blown recessions, not "soft landings." (Read the report here.)

For a close look at this movement of this index in recent months, here's a snapshot of the data since 2000.

Now let's step back and examine the complete series available to the public, which dates from 1967. ECRI's WLI growth metric has had a respectable record for forecasting recessions and rebounds therefrom. The next chart shows the correlation between the WLI, GDP and recessions.

A significant decline in the WLI has been a leading indicator for six of the seven recessions since the 1960s. It lagged one recession (1981-1982) by nine weeks. The WLI did turned negative 17 times when no recession followed, but 14 of those declines were only slightly negative (-0.1 to -2.4) and most of them reversed after relatively brief periods.

Three other three negatives were deeper declines. The Crash of 1987 took the Index negative for 34 weeks with a trough of -6.8. The Financial Crisis of 1998, which included the collapse of Long Term Capital Management, took the Index negative for 23 weeks with a trough of -4.5.

The third significant negative came near the bottom of the bear market of 2000-2002, about nine months after the brief recession of 2001. At the time, the WLI seemed to be signaling a double-dip recession, but the economy and market accelerated in tandem in the spring of 2003, and a recession was avoided.

The question had been whether the WLI decline that began in Q4 of 2009 was a leading indicator of a recession. The published index has never dropped to the -11.0 level in July 2010 without the onset of a recession. The deepest decline without a recession onset was in the Crash of 1987, when the index slipped to -6.8. ECRI's managing director correctly predicted that we would avoid a double dip. The positive GDP since the end of the last recession supports ECRI's stance.

What is particularly striking about ECRI's current recession call is the fervor and certainty of the language in the public press release:

Note the complete absence of wiggle room in the announcement, nor have there been any public communications from ECRI to qualify or soften its recession call. ECRI has put its credibility on the line. As I've said before, if the U.S. avoids a recession, ECRI's reputation will be permanently damaged.

With the Growth Index showing so little change over the past several weeks, let's take a moment to look at the underlying Weekly Leading Index from which the Growth Index is calculated. The first chart below shows the index level.

For a better understanding of the relationship of the WLI level to recessions, the next chart shows the data series in terms of the percent of the previous peak. In other words, a new weekly high registers at 100%, with subsequent declines plotted accordingly.

As the chart above illustrates, only once has a recession occurred without the index level achieving a new high -- the two recessions, commonly referred to as a "double-dip," in the early 1980s. Our current level is 14.5% off the most recent high, which was set 4.7 years ago. The longest stretch between highs was about 5.2 years from February 1973 to April 1978. But the index level rose steadily from the trough at the end of the 1973-1975 recession to reach its new high in 1978. The pattern we're now witnessing is quite different.

Here are some links to some useful articles for evaluating the substance of the ECRI's controversial recession call:

Here is Dwaine's latest snapshot of the WLI, which should be studied in the context of his expanded analysis at his RecessionAlert website:

The WLI growth (as published by ECRI) is exactly on zero from a revised -0.8 the prior week (it was -0.36 prior to revision last week.) We note the WLI was subject to downward revisions this week, going back 8 weeks. Nonetheless this is the 11th consecutive week of rises in the growth index. Barring further downward revisions and a rise in the WLI the WLIg is sure to breach the zero threshold. The WLIg+1 which is our preferred measurement, registered -0.26 from a revised -0.78 the prior week (-0.58 before the revision). We calculate real-time probability of recession with the WLI based on WLIg+1 and this registered 0.34 this week, versus 0.38 last week. It is looking like the WLI has posted its 2nd false positive since March 2009, but we need to wait for the growth metrics to rise above zero before having more conviction on this. RecessionAlert.com]

Note from dshort: I highly recommend reading the full commentary, which includes some additional fascinating charts.

For a carefully researched and frequently updated alternative perspective on recession risk, see the Recession Alert website maintained by Sharenet and PowerStocks Research.

Yesterday the BEA posted its Third Estimate of 3.0 for Q4 GDP, unchanged from the Second Estimate but up from 2.8 in the Advance Estimate. This is definitely above the conventional view of the economy on the threshold of a recession. ECRI itself did not offer a specific date for the start of the forecast recession. A general view is that ECRI's headlights shine about six months into the future, which would make Q1 2012 GDP a critical number for evaluating ECRI's stance. In his recent media appearances, ECRI's Achuthan has said that his company's date for the start of the recession extends though the first half of 2012.

The U.S. has had eleven recessions since the earliest quarterly GDP calculations, which began in 1948. In the month declared by the National Bureau of Economic Research (NBER) as the beginning of the recession, quarterly GDP for that month has only been negative four times. In fact, three of the six positive GDP recession starts were at GDP levels higher than the 3.0 of Q4 2011.

ECRI doesn't provide the general public with the analytical details behind its calls, but the Hoisington Investment Management Q4 Report also makes a 2012 recession call accompanied by an extended economic analysis that includes several key topics:

See also the Advisor Perspectives interview with Lacy Hunt, Hoisington's executive vice president, for a reassertion of their recession call with some additional explanation for their views.


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