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MicroData Instrument Inc
integrated public use microdata series (ipums) ![]() Integrated Public Use Microdata Series (Ipums), supplied by MicroData Instrument Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more https://www.bioz.com/result/integrated public use microdata series (ipums)/product/MicroData Instrument Inc Average 90 stars, based on 1 article reviews
integrated public use microdata series (ipums) - by Bioz Stars,
2026-05
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Journal: Proceedings of the National Academy of Sciences of the United States of America
Article Title: Long-term decline in intergenerational mobility in the United States since the 1850s
doi: 10.1073/pnas.1905094116
Figure Lengend Snippet: Trends in occupational percentile ranks among select occupations. Data sources: IPUMS US Population Censuses full count 1850, 1880, 1900, 1910, 1920, 1930, 1940; 1% samples 1860, 1870, 1950; 5% samples, 1960, 1980, 1990, 2000; 6% sample, 1970; ACS 2001–2015. Notes: The figure shows changes in percentile ranks for 5 out of the 70 microclass occupations defined in SI Appendix , Table S1 . The percentile ranks are estimated from occupation-specific educational distributions by birth cohort using all men and women aged 25 to 64 in population censuses. The methodology is described in SI Appendix , section S4 . Percentile rank changes for all of the birth cohorts and microclass occupations are shown in SI Appendix , Fig. S1 . The graph suggests that distances between top-ranked occupations, such as between jurists and managers, have increased over time because of the growth of professional, managerial, and upper nonmanual occupations at the top end of the distribution.
Article Snippet: Our mobility data include 4 major sources: 1)
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