US Inequity and Marriage

This is an interesting short study (also featured in the NYTimes) that proffers that part of the growing income inequity in the US is due to selecting mates of similar educational and income backgrounds (The Big Sort also looks at this) that says it has increased the income inequality in the US.   The best part about this is that (as you can see above) it mentions this relative to the Lorenz curve and the
Gini coefficient (which grew from .34 to .43 since 1960 to 2005).