I y to earnings inequality with the parts because of alterations in economic homogamy both before and after parenthood, and then we disaggregate the piece inside each of these bits one to was motivated because of the changes in women’s a job.

Strengthening on earlier in the day literary works, we arrive at one or two standard regarding vehicle operators of changes in couples’ financial homogamy between 1968 and 2015. Very first, we anticipate one changes in spouses’ monetary similarity once parenthood commonly gamble a primary role during the explaining develops for the couples’ economic homogamy and also be largely driven from the alterations in ladies’ a position. Second, we predict one changes in spouses’ economic resemblance in advance of parenthood will gamble an inferior role in the describing expands during the couples’ monetary homogamy and that such alter could be determined more by the shifts inside the ladies’ work patterns amongst the start of the relationship and parenthood and you will quicker by changes in assortative mating while the measured up front of matrimony. If the our very own standards is proper, we shall discover alterations in how parenthood molds ladies economic efforts to help you family members try a switch driver of your own share regarding financial homogamy to inequality all over family members.

Studies, Samples, and you can Tips

Because revealed when you look at the Dining table step 1, i have fun with study from three studies to help you perform all of our analyses: brand new 1968–2015 February Most recent Society Surveys (CPS); the newest 1960, 1970, and you may 1980 You.S. ); additionally the 1984–2014 Questionnaire cash and you may Program Contribution (SIPP) (You.S. Census Agency 2015). This new CPS are our very own priining trend for the monetary homogamy ahead of and you may after parenthood. It’s a cross-sectional household questionnaire which was generally used to study transform inside the inequality in the us. It is well-suited to our data since it have highest products, is sold with money details about both lovers, which can be uniform across the an extended span of time. The new CPS comes with details about age the eldest youngster regarding domestic, and therefore we used to proxy the new timing of admission towards the parenthood.

The majority of all of our CPS analyses believe in a sample out of married couples where in actuality the spouse was decades forty-five otherwise younger and you may their eldest child is decades 0–ten (N = 333,455 partners). New adjusted CPS shot is member of one’s noninstitutionalized inhabitants from heterosexual married couples in the us where neither companion is in the armed forces, the spouse is actually years forty-five otherwise more youthful, and also the couple’s oldest child was age 0–ten. The latest CPS details annual getting methods from the prior 12 months, which means the gains reported because of the lovers with a newborn match earnings in prior to childbirth. I power this feature and use couples’ income regarding 12 months prior to childbearing determine pre-beginning homogamy and you can partners from the a decade immediately following parenthood to size article-birth homogamy.

Method

The new CPS study don’t let me to pinpoint this new time from earnings relative to parenthood to own people supposed after that straight back than 12 months before earliest birth. One good way to develop this new pre-delivery homogamy size having CPS research, although not, is to try to tend to be all of the partnered childless partners (comprehend the past line inside Dining table 1). So it awareness attempt increases the new dimension screen from earnings so you can so much more than simply the year in advance of birth, where money could well be impacted by pregnancy; moreover it assessment this new sensitivity in our results to alterations in alternatives to the parenthood hot south korean women, as not every one of those individuals partners usually transition in order to parenthood for the after that decades. Various other sensitivity analyses, we together with develop the new measurement window out of post-beginning homogamy to include people having an earliest own child years 0–18. I restrict a portion of the test so you’re able to younger mothers to reduce the latest inclusion regarding repartnered lovers, attrition due to separation, and you can older people which have children out of the family which means that perhaps not claimed into CPS roster.