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Commentary

Stagflation

Janet Yellen

Tue, May 13, 2008

In the 1970s and early 1980s, the wage-price spiral was spun from the pass-through of rising food and energy prices to inflation, which was in turn passed along to wages and, then again, through to final goods prices. Fueling the movement were expectations that monetary policy would allow inflation to continue to rise for the foreseeable future.

I see little reason to believe that we have entered, or are about to enter, such a period of stagflation. For one thing, although current data on growth and inflation have departed from desirable levels, matters looked far worse 30 years ago than they do now.

For another, there is no evidence that wages have started to spiral up, as broad measures of compensation have expanded quite moderately over the past year. Moreover, productivity growth has been fairly robust, and, after incorporating its effects, unit labor costs were up by only ¼ of 1 percent over the past year. In addition, the slack in labor and product markets stemming from the weakening in economic activity that seems likely should put somewhat greater downward pressure on inflation going forward. Therefore, my forecast of the most likely outcome over the next couple of years is that total and core inflation will moderate from present levels.