Sex ratios, i.e., relative numbers of men and women, can affect marriage prospects, labor force participation, and other social and economic variables. But the observed association between sex ratios and social and economic conditions may be confounded by omitted variables and reverse causality....

We find differential rates of cohabitation with adult relatives as well as differential impacts of that cohabitation on the probability of employment for married female immigrants across regions of origin. This suggests that traditions and/or cultural determinants of family structure influence...