I y so you can money inequality to the bits because of changes in economic homogamy before and after parenthood, and we also disaggregate the latest section within the all these pieces one are inspired by the alterations in ladies a position.

Strengthening towards the earlier literature, i reach several expectations towards motorists regarding alterations in couples’ monetary homogamy between 1968 and you will 2015. Basic, we expect one changes in spouses’ economic similarity once parenthood usually enjoy a primary role during the describing expands from inside the couples’ economic homogamy and will be largely inspired of the alterations in women’s a career. Second, we anticipate that changes in spouses’ financial similarity just before parenthood tend to play a smaller sized role from inside the detailing increases inside couples’ financial homogamy which these types of change would be motivated a great deal more because of the shifts during the women’s work models between the start of the relationships and parenthood and you may quicker because of the changes in assortative mating just like the measured in advance away from wedding. If the our requirement are best, we’ll realize that alterations in just how parenthood shapes women’s financial efforts so you’re able to household are a key driver of your own contribution out-of monetary homogamy in order to inequality all over families.

Investigation, Products, and you will Actions

Because the shown inside Dining table step one, we have fun with analysis of around three surveys so you’re able to carry out our very own analyses: the 19682015 March Newest Population Studies (CPS); the brand new 1960, 1970, and you may 1980 U.S. ); while the 19842014 Survey of cash and you may System Participation (SIPP) (You.S. Census Bureau 2015). New CPS are our priining fashion within the economic homogamy in advance of and you can immediately following parenthood. It is a corner-sectional family questionnaire which was commonly used to study change when you look at the inequality in the usa. It is well suited to our research because it provides higher trials, has income information regarding both lovers, which can be consistent round the a lengthy time period. This new CPS boasts information regarding age the new earliest youngster regarding the house, which we use to proxy the brand new timing of entryway to your parenthood.

Most of all of our CPS analyses believe in an example out-of married couples the spot where the wife is actually years forty-five or young and you will their eldest youngster try ages 0ten (N = 333,455 partners). Brand new adjusted CPS sample is user of the noninstitutionalized society of heterosexual married couples in the usa in which neither lover is within the army, this new spouse try age forty five or younger, together with couple’s earliest child try ages 0ten. The CPS suggestions yearly earning strategies in the earlier seasons, which means the profits said because of the people with a new baby correspond to income around just before childbearing. We control this particular feature and employ couples’ earnings throughout the year ahead of childbearing to measure pre-birth homogamy and you will people regarding 10 years just after parenthood in order to level article-delivery homogamy.

Method

The latest CPS data do not let me to pinpoint this new timing off earnings according to parenthood to possess partners going further right back than just 12 months before basic delivery. One way to develop the new pre-beginning homogamy size having CPS study, although not, would be to tend to be all married childless people (comprehend the past row during the Table step 1). Which awareness test grows the new dimensions windows from income so you can even more than the year prior to beginning, in which income might be affected by pregnancy; in addition, it screening the sensitiveness in our results to changes in possibilities into the parenthood, since not all of people partners tend to transition so you can parenthood in subsequent age. Various other susceptibility analyses, we along with grow new aspect window from post-birth homogamy to add couples with an eldest very own youngster ages 018. We maximum a portion of the sample to help you more youthful moms and dads to attenuate this new addition from repartnered people, attrition due to splitting up, and earlier people with pupils out of the house and thus maybe not reported on CPS roster.