assortative-mating   25

The Politics of Mate Choice
TABLE 1 Spousal Concordance on 16 Traits Pearson’s r (n)

Church attendance .714 (4950)
W-P Index (28 items) .647 (3984)
Drinking frequency .599 (4984)
Political party support .596 (4547)
Education .498 (4957)
Height .227 (4964)
pdf  study  sociology  anthropology  sex  assortative-mating  correlation  things  phalanges  planning  long-term  human-bean  religion  theos  politics  polisci  ideology  ethanol  time-use  coalitions  education  embodied  integrity  sleep  rhythm  personality  psych-architecture  stress  psychiatry  self-report  extra-introversion  discipline  self-control  patience  data  database  list  top-n  objektbuch  values  habit  time  density  twin-study  longitudinal  tradition  time-preference  life-history  selection  psychology  social-psych  flux-stasis  demographics  frequency 
december 2017 by nhaliday
Reconsidering the Heritability of Intelligence in Adulthood: Taking Assortative Mating and Cultural Transmission into Account
Heritability estimates of general intelligence in adulthood generally range from 75 to 85%, with all heritability due to additive genetic influences, while genetic dominance and shared environmental factors are absent, or too small to be detected. These estimates are derived from studies based on the classical twin design and are based on the assumption of random mating. Yet, considerable positive assortative mating has been reported for general intelligence. Unmodeled assortative mating may lead to biased estimates of the relative magnitude of genetic and environmental factors.

...

Under the preferred phenotypic assortment model, the variance of intelligence in adulthood was not only due to non-shared environmental (18%) and additive genetic factors (44%) but also to non-additive genetic factors (27%) and phenotypic assortment (11%).This non-additive nature of genetic influences on intelligence needs to be accommodated in future GWAS studies for intelligence.
study  biodet  behavioral-gen  psychology  cog-psych  iq  twin-study  sib-study  biases  gotchas  models  map-territory  assortative-mating  variance-components  🌞  nonlinearity  regularizer  intricacy 
november 2017 by nhaliday
Credit Scores and Committed Relationships
We document substantial positive assortative matching with respect to credit scores, even when controlling for other socioeconomic and demographic characteristics. As a result, individual-level differences in access to credit are largely preserved at the household level. Moreover, we find that the couples’ average level of and the match quality in credit scores, measured at the time of relationship formation, are highly predictive of subsequent separations.
pdf  study  economics  sociology  class  sex  correlation  assortative-mating  debt  time-preference  temperance  🎩  patience  microfoundations  phalanges  coming-apart  alt-inst  orwellian  institutions  intel 
august 2017 by nhaliday
Free to Leave? A Welfare Analysis of Divorce Regimes - American Economic Association
Calibrating the model to match key moments for the 1940 cohort and conditioning solely on gender, our ex ante welfare analysis finds that women fare better under mutual consent whereas men prefer a unilateral system. Conditioning as well on initial productivity (expected income), we find that the top three quintiles of men and the top two quintiles of women prefer unilateral divorce.

The impact of divorce laws on the equilibrium in the marriage market: http://www.anamreynoso.com/assets/AR_JMP_latest.pdf
Adoption of no-fault divorce -> more assortative mating + more permanent singlehood, especially among educated women

Losers and Winners: The Financial Consequences of Separation and Divorce for Men: http://www.jstor.org/stable/2657417
Contrary to conventional thinking, the majority of partnered men in the United States lose economic status when their unions dissolve. Using data from the Panel Study of Income Dynamics, this analysis shows that for most men the primary source of economic decline after union dissolution is their inability to fully compensate for the loss of their partner's income. A secondary source of economic decline is an increase in compulsory and voluntary support payments. Welfare state tax and transfer mechanisms have a much smaller overall impact on changes in men's living standards following separation. Although most men experience a decline in living standards following union dissolution, men's outcomes are heterogeneous, and the minority of men who relied on their partners for less than one-fifth of pre-dissolution income typically gain from separation and divorce. The data show a clear trend toward greater economic interdependence in American partnerships, and this trend appears to increase the proportion of men who suffer a reduced standard of living following separation.
study  economics  macro  sociology  gender  gender-diff  sex  life-history  compensation  class  models  multi  developmental  volo-avolo  counterfactual  intervention  civil-liberty  unintended-consequences  natural-experiment  endo-exo  parenting  endogenous-exogenous  cost-benefit  policy  law  pdf  assortative-mating  distribution  equilibrium  trends  institutions  social-structure  chart  branches 
june 2017 by nhaliday
Assortive mating and income inequality | West Hunter
More than in the past, we have doctors marrying other doctors, rather than nurses, basically because of an increase in assortative mating for education. Ceteris paribus, this would tend to cause greater income equality among families. Is it the main driver of increasing income inequality?

Not at all. Most of the increase over the last 30 years has been among business executives and people working in finance. Since 1979, 58% of the expansion of income of the top 1% of households has this origin. For the top 0.1% of households, it’s been 67%.

...

Now I’m about to say something a little dangerous – so get your nitroglycerin pills ready.

Maybe those finance guys and CEOs are delivering enormously more value than they did in the 1950s!

For those remaining readers that haven’t died laughing, increased assortative mating probably has contributed to income inequality. Just not very much. Changes in the tax code, outsourcing, automation, smothering the board of directors in cream, and inattentive stockholders all matter more.

capital gains: https://westhunt.wordpress.com/2014/03/21/assortive-mating-and-income-inequality/#comment-24318
http://www.theamericanconservative.com/millman/assortative-mating-and-income-inequality/
Educational Homogamy and Assortative Mating Have Not Increased: http://sci-hub.cc/http://www.nber.org/papers/w22927.pdf
1960-2010, so all post WW2
https://twitter.com/whyvert/status/840379325908049920
Highly educated women partner more often “downwards” and medium educated women partner less often “upwards”
The new assortative mating (phenotypical, perhaps no change in genotypical assortative mating) due to women outnumbering men at university
If this means less genotypic assortative mating, then BAD NEWS: the smart fraction will shrink, and #decline will accelerate
Counterrevolutionary and reactionary elements warned it was a mistake to debauch higher education by over-expansion. Maybe they were right?
https://link.springer.com/article/10.1007/s10680-016-9407-z
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may 2017 by nhaliday
Reversal of the Gender Gap in Education, Motherhood, and Women as Main Earners in Europe | European Sociological Review | Oxford Academic
The Reversal of the Gender Gap in Education and
Female Breadwinners in Europe: http://www.familiesandsocieties.eu/wp-content/uploads/2015/01/WP26KlesmentVanBavel.pdf

A Record Share of Men Are “Marrying Up” Educationally: https://ifstudies.org/blog/a-record-share-of-men-are-marrying-up-educationally
Even though overall, wives have more education than their spouses today, men are still the primary provider in a majority of marriages. In 2015, more than 7-in-10 married men (73%) had a higher income than their spouse, although the share was down from 91% in 1960. During the same period, the share of married women who out-earned their spouses rose from 6% to 25%.

A Gender Reversal On Career Aspirations: http://www.pewsocialtrends.org/2012/04/19/a-gender-reversal-on-career-aspirations/
study  sociology  wonkish  demographics  europe  data  education  compensation  money  class  social-structure  gender  labor  trends  science-anxiety  life-history  dysgenics  social-norms  multi  pdf  rot  assortative-mating  news  org:ngo  time-series  dignity  poll  career  hmm  org:data  values  :/  current-events  direction  chart 
april 2017 by nhaliday
Oh, they were looking for their Missing Piece – spottedtoad
Assuming that the value of an offspring’s trait are determined by averaging the value of both parents and then adding some random error due to mutation or developmental noise, the ideal mate for each individual in the population isn’t the one that is closest to the ideal value, but one that is “complementary”- ie, equally distant from the ideal value, but from the opposite side.
ratty  unaffiliated  sapiens  evolution  sex  thinking  essay  genetic-load  speculation  spearhead  selection  models  equilibrium  parable  europe  mediterranean  history  literature  cartoons  wonkish  iron-age  myth  the-classics  assortative-mating  tails  extrema  matching  homo-hetero  complement-substitute  life-history  increase-decrease  signum  ecology  EGT 
january 2017 by nhaliday
Random Notes | pseudoerasmus : speculation on future of dysgenic fertility
So chances are, as economic growth sails forward, there will be in the future a persistent mismatch in the number of men and women who are employable and gainfully employed. And thus there will also be a persistent mismatch in the number of men and women who could be assortatively mated. Unless women by the millions decide to marry well beneath their status and support lout-husbands, or become single-mothers through various options for reproduction, the fertility of the lower half of the income distribution could drop. Maybe not, but why not?

deleted?
econotariat  pseudoE  speculation  prediction  economics  class  gender  regularizer  dysgenics  fertility  marginal-rev  assortative-mating  winner-take-all  biophysical-econ  sociology  broad-econ  coming-apart  poast  rot  modernity  microfoundations 
january 2017 by nhaliday
The Role of Genes and Environment in Degree of Partner Self-Similarity | SpringerLink
Selecting for self-similarity is at least partially driven by phenotypic matching wherein couples share similar phenotypes, and preferences for a number of these traits are partly genetically influenced (e.g., education, height, social attitudes and religiosity). This suggests that genetically influenced preferences for self-similarity might contribute to phenotypic matching (and thus assortative mating), but it has never been studied in actual couples. In the present study, we use a large sample of twins to model sources of variation in self-similarity between partners. Biometrical modelling revealed that very little of the variation in the tendency to assortatively mate across 14 traits was due to genetic effects (7 %) or the shared environment of twins (0 %).
study  evopsych  sex  variance-components  environmental-effects  twin-study  psychology  social-psych  assortative-mating  🌞  biodet  similarity  sociology 
january 2017 by nhaliday
Ten Putative Contributors to the Obesity Epidemic
The obesity epidemic is a global issue and shows no signs of abating, while the cause of this epidemic remains unclear. Marketing practices of energy-dense foods and institutionally-driven declines in physical activity are the alleged perpetrators for the epidemic, despite a lack of solid evidence to demonstrate their causal role. While both may contribute to obesity, we call attention to their unquestioned dominance in program funding and public efforts to reduce obesity, and propose several alternative putative contributors that would benefit from equal consideration and attention. Evidence for microorganisms, epigenetics, increasing maternal age, greater fecundity among people with higher adiposity, assortative mating, sleep debt, endocrine disruptors, pharmaceutical iatrogenesis, reduction in variability of ambient temperatures, and intrauterine and intergenerational effects, as contributing factors to the obesity epidemic are reviewed herein. While the evidence is strong for some contributors such as pharmaceutical-induced weight gain, it is still emerging for other reviewed factors.
study  meta-analysis  survey  obesity  health  hypochondria  assortative-mating  sleep  model-organism  human-study  🐸  endocrine  metabolic  biodet  epigenetics  epidemiology  sociology  public-health  recent-selection 
january 2017 by nhaliday
Genetic Consequences of Assortative Mating for Psychiatric Traits | Genetics and Genomics | JAMA Psychiatry | The JAMA Network
Phenotypic assortment results in increased genetic variance in the offspring generation, which may result in increased heritability and population prevalence. These consequences add generation after generation to a limit, but assortative mating is unlikely to balance the impact of reduced fecundity of patients with psychiatric disorders in the long term. This modeling suggests that the heritabilities of psychiatric disorders are unlikely to increase by more than 5% from 1 generation of assortative mating (maximally 13% across multiple generations).
study  prediction  genetics  assortative-mating  disease  psychiatry  personality  org:nat  biodet  epidemiology  sociology  moments  variance-components  🌞  hmm  science-anxiety  behavioral-gen  public-health  autism  similarity 
december 2016 by nhaliday
The Genetic Correlation between Height and IQ: Shared Genes or Assortative Mating?
Both traits were highly heritable, although there was greater evidence for non-additive genetic effects in males. After accounting for assortative mating, the correlation between height and IQ was found to be almost entirely genetic in nature. Model fits indicate that both pleiotropy and assortative mating contribute significantly and about equally to this genetic correlation.
study  embodied  iq  genetic-correlation  assortative-mating  twin-study  sib-study  correlation  biodet  science-anxiety  behavioral-gen 
november 2016 by nhaliday
Information Processing: Assortative mating, regression and all that: offspring IQ vs parental midpoint
Assuming parental midpoint of n SD above the population average, the kids' IQ will be normally distributed about a mean which is around +.6n with residual SD of about 12 points. (The .6 could actually be anywhere in the range (.5, .7), but the SD doesn't vary much from choice of empirical inputs.)

possible to calculate the residual variance from first principles?

Some data on regression: http://infoproc.blogspot.com/2010/10/some-data-on-regression.html
hsu  parenting  iq  regression-to-mean  street-fighting  explanation  methodology  assortative-mating  scitariat  variance-components  biodet  nibble  behavioral-gen  multi  data  stories  education  acm 
november 2016 by nhaliday

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