Abstract Details
Activity Number:
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304
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Type:
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Contributed
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Date/Time:
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Tuesday, August 5, 2014 : 8:30 AM to 10:20 AM
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Sponsor:
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Survey Research Methods Section
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Abstract #311810
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View Presentation
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Title:
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Effects of Imperfect Unit Size Information on Complex Sample Designs and Estimators
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Author(s):
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Randall Powers*+ and John Eltinge
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Companies:
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Bureau of Labor Statistics and Bureau of Labor Statistics
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Keywords:
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calibration weighting ;
measures of size ;
post-stratification ;
ratio estimation ;
proportional to size ;
unequal-probability sample
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Abstract:
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Work with sample surveys often makes extensive use of measures of size. Two prominent examples are the use of "probability proportional to size" sampling; and use of size measures in adjustment of survey weights through, e.g., ratio estimation, post-stratification or calibration weighting. However, many survey applications use size variables that are imperfect approximations to the idealized size measures that would produce optimal efficiency results. This paper explores the effects that errors in size measures may have on the efficiency of some standard design-estimator pairs. Principal emphasis is placed on numerical results of a simulation study that uses size measures and economic variables available through the Quarterly Census of Employment and Wages of the Bureau of Labor Statistics.
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