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The Effects of Item and Unit Nonresponse on Estimates of Labor Force Participation

Introduction Recent studies of the Current Population Survey by Tucker and Kojetin (1997) and Dixon (2001) showed that unemployment rates were related to unit nonresponse in the CPS. Since households are in sample for 8 months in the CPS (over a 16-month period), there is an opportunity for households to leave or return to the sample. However, the number of “converts”, (households that agree to an interview after a refusal in a previous interview) do not completely balance the number of "attriters" (those households that drop out of the sample after participating), so their relative effect may not be offset. Moreover, these groups may differ on important characteristics, e.g.; race, age, or gender. The current study examines the nature of item nonresponse and the relationship with subsequent unit nonresponse and the effect on estimates of labor force participation.