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Search Results for Trivers-Willard

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Journal Article
Demography (2015) 52 (6): 2051–2052.
Published: 05 October 2015
... of Trivers and Willard ( 1973 ). Moreover, it is clear that many forms of reproductive impairment (spontaneous miscarriage, stillbirth, neonatal mortality, and infant mortality) are associated with high levels of testosterone (presumably of adrenal origin) in mothers (James 2013 , 2015 ). Thus...
Journal Article
Demography (2014) 51 (5): 1775–1796.
Published: 05 September 2014
... in the post-famine years. This increase appears to be driven by an excess number of male stillbirths. 1 8 2014 5 9 2014 © Population Association of America 2014 2014 Famine Fertility Fetal origins Trivers-Willard Infant mortality Famines have been associated with increased...
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Journal Article
Demography (2013) 50 (2): 421–444.
Published: 14 November 2012
... toward males has been observed among wealthy parents (Almond and Edlund 2007 ; James 1998b ; Trivers and Willard 1973 ), men with multiple sclerosis, and men exposed to certain environmental toxins (James 1998b ). As discussed later in the article, the effects of these preconception or prenatal...
Journal Article
Demography (2019) 56 (6): 2005–2031.
Published: 05 December 2019
... of Obstetrics and Gynaecology , 122 , 322 – 328 . Torrice M. ( 2016 ). How lead ended up in Flint’s tap water . Chemical and Engineering News , 94 ( 7 ), 26 – 29 . Trivers R. L. , & Willard D. E. ( 1973 ). Natural selection of parental ability to vary the sex ratio...
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Published: 05 December 2019
composition of Flint and some other cities and the correlation between socioeconomic status and birth seasonality (Trivers and Willard 1973 ), we run a specification using city-specific month fixed effects and find virtually identical results. More
Journal Article
Demography (2014) 51 (4): 1357–1379.
Published: 01 July 2014
... . 10.1257/jep.25.3.153 Almond , D. , & Edlund , L. ( 2007 ). Trivers-Willard at birth and one year: Evidence from US Natality Data 1983–2001 . Proceedings of the Royal Society B: Biological Sciences , 274 , 2491 – 2496 . 10.1098/rspb.2007.0524 Amato , P. R. ( 2007...
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Journal Article
Demography (2015) 52 (2): 641–666.
Published: 11 December 2014
... to the number of generations that a gender imbalance can be sustained at a population level (Trivers and Willard 1973 ). Eventually, the scarcity of the rarer gender makes offspring of the superfluous gender a less rewarding reproductive strategy. Fisher’s principle predicts long-term failure for any mutant...
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Journal Article
Demography (2018) 55 (4): 1269–1293.
Published: 02 July 2018
... and Metabolism , 88 , 3099 – 3104 . 10.1210/jc.2002-021878 Trivers R. L. , & Willard D. E. ( 1973 ). Natural selection of parental ability to vary the sex ratio of offspring . Science , 179 , 92 – 94 . 10.1126/science.179.4068.90 Udry J. R. , & Morris N. M...
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Journal Article
Demography (2011) 48 (2): 783–811.
Published: 19 May 2011
... University Press . Trivers R. , & Willard D. ( 1973 ). Natural selection of parental ability to vary the sex ratio of offspring . Science , 179 , 90 – 92 . 10.1126/science.179.4068.90 Tsay C-L ( 2004 ). Marriage migration of women from China and Southeast Asia to Taiwan...
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Includes: Supplementary data