| Date Received: | 16 August 2000 |
| Date Published: | 7 November 2000 |
Abstract:
A sample covering 204,394 blocks from the 1990 U.S. Census permits measurement of residual
heterogeneity from local area to local area after controlling by stratification for demographic
characteristics such as race, ethnicity, age, sex as well as geographic characteristics such as
region and place-type. The local areas have populations on the order of 10,000 people. The
variables studied are four indices of enumeration difficulty. The results show that variance due to
heterogeneity from area to area is comparable to (if not larger than) variance from stratum
to stratum and can be expected to dominate sampling variance - especially with samples as
large as the ones used in the U.S. Census Bureau’s Post-Enumeration Surveys. These findings
constrain the viable estimation strategies that could be employed for local tallies in the U.S. 2000
Census.
Author's affiliation:
Kenneth W. Wachter
Professor of Demography and of Statistics, University of California at Berkeley
David A. Freedman
Professor of Statistics, University of California at Berkeley
Table of Contents:
| 1. |
|
Introduction |
| 2. |
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Heterogeneity |
| 3. |
|
Applications to Census Undercount Estimation |
| 4. |
|
Prior Literature |
| 5. |
|
Conclusions |
| 6. |
|
Acknowledgements |
|
|
Appendix |
|
|
References |
|
|
Tables |
Keywords: census, heterogeneity, small area estimation, census adjustment
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Word count: 9,925
