Abstract
There has been recent growth in small area estimation due to the need for more precise estimation of small geographic areas, which has led to groups such as the U.S. Census Bureau, Google, and the RAND corporation utilizing small area-estimation procedures. We develop a novel two-stage benchmarking methodology using a single weighted squared error loss function that combines the loss at the unit level and the area level without any specific distributional assumptions. This loss is considered while benchmarking the weighted means at each level or both the weighted means and weighted variability at the unit level. Furthermore, we provide multivariate extensions for benchmarking weighted means at both levels. The behavior of our methods is analyzed using a complex study from the National Health Interview Survey (NHIS) from 2000, which estimates the proportion of people that do not have health insurance for many domains of an Asian subpopulation. Finally, the methodology is explored via simulated data under the proposed model. Ultimately, three proposed benchmarked Bayes estimators do not dominate each other, leaving much exploration for further understanding of such complex studies such as the choice of weights, optimal algorithms for efficiency, as well as extensions to multi-stage benchmarking methods.
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Acknowledgements
This research was partially supported by the United States Census Bureau Dissertation Fellowship Program and NSF Grants SES 1026165 and SES 1130706. The views expressed reflect those of the authors and not of the National Health Interview Survey, the United States Census Bureau, or NSF. We would like to express our thanks to the Associate Editor and referees for their helpful suggestions.
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Ghosh, M., Steorts, R.C. Two-stage benchmarking as applied to small area estimation. TEST 22, 670–687 (2013). https://doi.org/10.1007/s11749-013-0338-2
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DOI: https://doi.org/10.1007/s11749-013-0338-2