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These are statistically significantly different from zero for all models, which implies that unobserved heterogeneity in terms of household specific fixed effects--capturing, for example, assortative mating and access to social and professional networks--are important for wage determination in Thailand.
Assortative mating has also been shown to take place according to light spectrum in polymorphic fishes, whereby some morphs were successful under specific light conditions (Fuller et al.
Assortative mating accordingly has increased the disparities among households.
Torche (2014), "Patterns of Racial and Educational Assortative Mating in Brazil", Demography, vol.
Sensitivity analyses show that our findings are robust to uncertainties about average number of partners and assortative mixing by sexual activity in the 2 types of sexual behavior patterns.
The second factor is increased positive assortative mating.
In "Marry your like: assortative mating and income inequality" (National Bureau of Economic Research working paper 19829, January 2014), authors Jeremy Greenwood, Nezih Guner, Georgi Kocharkov, and Cezar Santos find that assortative mating is important for income inequality, and that income inequality in the United States has increased since 1960, in part because of more women entering the workforce.
Assortative analysis examines the degree correlation of network nodes.
We present evidence that after 1990 the covariance of spousal earnings switched from negative (or zero) to positive, consistent with assortative matching, and that leads to modest upward pressure on overall income volatility.
Correlation is the most important character to study assortative or disassortative networks.
There is a number of mating patterns in humans and one of them is assortative mating, which appears if individuals mate with others based on similarity between one to another.
Many studies acknowledge that peers play a strong role in drug initiation and continuation (Bahr, Hoffmann, & Yang, 2005; Brook, Brook, Arencibia-Mireles, Richter, & Whiteman, 2001; Coffey, Lynskey, Wolfe, & Patton, 2000; Kandel, 1985), through mechanisms that can be grouped into three areas: peer pressure, peer selection (or assortative mating), and peer socialization (or contagion, association, and reciprocal exchange).