TY - JOUR A1 - Yang, Y. T1 - Social inequalities in happiness in the United States, 1972 to 2004: An age-period-cohort analysis Y1 - 2008 DO - 10.1177/000312240807300202 JF - American Sociological Review VL - 73 IS - 2 SP - 204 EP - -226 ER -