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The Effect of Changes in Labor Markets on the Natural Rate of Employment [i] (April 2002)

handle is hein.congrec/cbo0705 and id is 1 raw text is: 



           THE EFFECT OF CHANGES IN LABOR

         MARKETS ON THE NATURAL RATE OF

                               UNEMPLOYMENT


                                            April 2002


                                              NOTES
                        All years referred to in the text and figures are calendar years, unless
                        otherwise indicated.
                        The figures in this report use shaded vertical bars to indicate periods of
                        recession. The bars extend from the peak to the trough of each
                        recession.



                                        PREFACE

The Congressional Budget Office (CBO) is required to project the unemployment rate over a 10-year period. Such
projections are closely linked to the concept of the natural rate of unemployment, the level of unemployment that
would occur if aggregate demand for goods and services was in balance with aggregate supply.

This paper summarizes and assesses recent research on the ways in which changes in the composition of the labor
force and in the operation of labor markets may have affected the natural rate of unemployment. In particular, the
experience of the late 1990s--when supply seemed to keep up with rapidly growing demand even though labor
markets were tight, and the unemployment rate fell well below previous estimates of the natural rate--led many
observers to speculate that the natural rate may have fallen substantially over the past two decades. This paper finds
that several factors, most notably shifting demographics and the expansion of the temporary-help industry, have
combined to reduce the natural rate significantly since the mid-I 980s. Some other factors, such as higher levels of
skill and Internet job searching, may also have played a role in reducing the natural rate, but those factors have not
been incorporated into CBO's projections for the next 10 years because they cannot now be quantified.

David Brauer of CBO's Macroeconomic Analysis Division prepared this paper under the supervision of Robert
Dennis and John Peterson. The manuscript benefited from suggestions by Arlene Holen, Deborah Lucas, Kim
Kowalewski, Bob Arnold, Christopher Williams, Frank Russek, Kathy Ruffing, Ralph Smith, Bruce Vavrichek, and
Paul Cullinan, all of CBO, as well as by Robert J. Gordon of Northwestern University and June O'Neill of Baruch
College at the City University of New York. John McMurray provided research assistance.

Christine Bogusz edited the paper, and Christian Spoor proofread it. Linda Lewis Harris prepared the report for
publication, and Annette Kalicki produced the electronic versions for CBO's Web site.

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