Related by context. Frequent words. (Click for all words.) 60 Justin Wolfers 53 David Popenoe 50 Andrew Cherlin 49 Zagorsky 49 cohabiting couples 48 Orbuch 47 Kahneman 47 Hymowitz 46 Laurence Kotlikoff 46 evolutionary psychologist 46 Ken Rogoff 45 cohabiting 45 Arnold Kling 44 Waldfogel 44 Harvard 44 childrearing 44 Developmental Psychology 43 Haidt 43 Jewish Population Survey 43 child rearing 42 NYU Stern 42 cohabitating 42 Contemporary Families 42 Hirshman 42 Lawrence Mishel 42 Frans de Waal 42 UC Berkeley Haas 42 serial monogamy 41 Evolutionary Psychology 41 Regnerus 41 Daily Pennsylvanian 41 Bronfenbrenner 41 Econometrics 41 Leonard Burman 41 Reibstein 41 sociologists 41 Hanushek 41 Jonathan Gruber 41 couples 41 Pennsylvania Wharton 41 evolutionary psychology 41 Marital 41 Yale 40 Greg Mankiw 40 developmental psychology 40 Carsey Institute 40 Stephen Gillers 40 Mark Gertler 40 Altman Weil 40 Wissner Gross 40 Deloitte Tax 40 Carmen Reinhart 40 Popenoe 40 NALP 40 Economics 40 Frank Furedi 40 Jonathan Sarna 40 N. Gregory Mankiw 40 Biglaw 40 Jeremy Siegel 40 American Sociological Review 40 Jewish Theological Seminary 40 journal Personality 40 Wharton 39 economics 39 Sociology 39 polygyny 39 Cohabitation 39 unmarried 39 bottom quintile 39 Neumark 39 Cherlin 39 cohabitation 39 Emily Yoffe 39 Female Brain 39 Marital status 39 Gottman 39 YourTango 39 Yale Divinity School 39 Gary Orfield 39 untenured 39 Personal Relationships 39 VanDerhei 39 married couples 39 cohabit 39 MBA grads 38 marrieds 38 divorces 38 Keynesian theory 38 discordant couples 38 DEAR AMY My 38 Amir Attaran 38 Marymount Manhattan 38 professoriate 38 econometric 38 Pertman 38 demographer 38 monogamy 38 wedlock births 38 D' Vera 38 biological anthropologist