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What you will learn
        in this Module:



        • How unemployment is          Module 12
           measured
        • How the unemployment rate
           is calculated               The Meaning and
        • The significance of the
           unemployment rate for the
           economy                     Calculation of
        • The relationship between the
           unemployment rate and
           economic growth             Unemployment





                                       The Unemployment Rate

                                       One of the most important issues in the 2008 presidential election was the growing
                                       unemployment rate. Figure 12.1 shows the U.S. unemployment rate from 1948 to the
                                       early part of 2010; as you can see, the labor market hit a difficult patch starting in



            figure  12.1

            The U.S. Unemployment           Unemployment
            Rate, 1948–2010                      rate
            The unemployment rate has fluctuated     12%
            widely over time. It always rises during re-
            cessions, which are shown by the shaded    10
            bars. It usually, but not always, falls during
            periods of economic expansion.              8
            Source: Bureau of Labor Statistics; National Bureau of
            Economic Research.                          6

                                                        4
                                                        2


                                                       1948      1960    1970     1980    1990    2000    2010

                                                                                                         Year


        118   section  3    Measurement of Economic Performance
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