Abstract Details
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Activity Number:
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242
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Type:
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Contributed
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Date/Time:
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Monday, August 4, 2014 : 2:00 PM to 3:50 PM
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Sponsor:
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Survey Research Methods Section
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Abstract #312440
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View Presentation
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Title:
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Nonresponse Bias Correction via Calibration for the Brazilian National Household Sample Survey
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Author(s):
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Pedro Silva*+ and Charles Miguel Ruiz
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Companies:
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IBGE/ENCE and IBGE/National School of Statistical Sciences
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Keywords:
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Non-response ;
Calibration ;
Data quality ;
Bias correction
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Abstract:
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The Brazilian national household sample survey is carried out annually since 1967, except in Census years. It is a key source of socioeconomic information about the Brazilian population. This paper presents some evidence that the survey suffers from differential nonresponse by sex and age. It then discusses alternatives to compensate for the nonresponse, and presents some results of a study carried out to investigate alternative calibration weighting methods. Calibration weights are obtained using a raking ratio type distance function with population projections classified by (sex x age) and by (region). The calibrated weights lead to improved estimates of some selected key indicators.
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Authors who are presenting talks have a * after their name.
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