Longitudinal surveys are an invaluable source for analyzing the current state of and changes in human populations over time. However, maintaining the accuracy of estimates from a panel sample becomes more difficult as the length of the panel survey increases. Key concerns are the lack of sample representativeness, due to the sample erosion caused by deaths and movers and the impact of new births, and migration flows. Moreover, sample fatigue introduces...
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详细
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2025/01/08
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政策研究报告
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WPS11026
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1
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2025/01/08
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Disclosed
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Improving the Quality of Survey Estimates from Longitudinal Studies : An Application to LSMS Panel Surveys