The Full Measure Of Slack

 | Jun 23, 2016 01:48AM ET

Near the start of her tenure, Janet Yellen in a speech given on April 16, 2014, at the Economic Club of New York declared monetary policy concerned with three big factors. The first was inflation and whether or not it was moving back to the 2% target, even though by then it had been almost two years since that was the case. The second was what are called “unforeseen headwinds.” Early in the recovery estimates for the track of labor improvement and normalization of monetary policy went hand-in-hand; as the former gained, the latter receded. That never happened, as the unemployment rate had to that point largely met expectations but normalization was only then being discussed years behind original forecasts.

Yellen’s third factor was really her and the economy’s first – the labor market itself. She framed it under terms of “slack”, which the central bank uses to judge the appropriateness of any policy setting. Slack is the theoretical buffer between labor improvement and inflation, meaning that it is the very intersection between the Fed’s later two legal mandates (currency elasticity being its first task, having already failed badly at that, too). Because the Great Recession was so large and deep, it was expected that payroll normalization would take longer than usual. In April 2014, FOMC models predicted a further two years before “full employment.”

I will refer to the shortfall in employment relative to its mandate-consistent level as labor market slack, and there are a number of different indicators of this slack. Probably the best single indicator is the unemployment rate. At 6.7 percent, it is now slightly more than 1 percentage point above the 5.2 to 5.6 percent central tendency of the Committee’s projections for the longer-run normal unemployment rate. This shortfall remains significant, and in our baseline outlook, it will take more than two years to close.

Here the forecasts had it all wrong. It didn’t take two years to achieve the upper boundary of the central tendency, it only took ten months. To blast all the way through the lower boundary, and reach 5.1%, the “best jobs market in decades” needed just eighteen. With the unemployment rate far lower than they expected, policymakers had painted themselves into a corner where the most visible economic statistic in America suggested a much different economy than anyone outside the media actually experienced.

The manner in which the unemployment rate dropped, however, was entirely different than in any other similar appraisal. Between February 2014 and August 2015, the Establishment Survey showed a gain of 4.4 million jobs, a rate that was a statistical improvement upon the earlier “recovery” period (and sounds impressive in a vacuum) but nowhere near what was exhibited in past cycles at the same levels of official unemployment. Further, the labor force itself, the unemployment rate’s denominator, grew by just 1.5 million, with more than half of that total from January 2015 alone.

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In percentage terms, the Establishment Survey registered a 3.2% increase while the labor force managed just 1.0%, which combined was enough to send the unemployment rate careening to “full employment” in about half the time the Fed’s models predicted. In the recovery after the 1990-91 recession, the unemployment rate needed 35 months to complete the same journey, only then the Establishment Survey increased at more than double the rate while the labor force jumped by nearly four times what was estimated for the current “cycle.”

The numbers are similar in the later 1980’s, as well. The only comparable “recovery” to the current run in the unemployment rate is, of course, the upswing after the dot-com bust. In these four cycles we see a vast difference in labor market conditions that show very well the unemployment rate’s flaws.