Machine generated contents note: 1. Technical Change and the Relative Demand for Skilled Labor: The United States in Historical Perspective / Robert A. Margo -- 2. Explaining Trends in High School Graduation: The Changing Elementary and Secondary Education Policy Landscape and Income Inequality over the Last Half Century / Nora Gordon Comment: Sarah J. Reber -- 3. Role of Immigrant Children in Their Parents' Assimilation in the United States, 1850-2010 / Joseph Ferrie -- 4. Health, Education, and Income in the United States, 1820-2000 / Adriana Lleras-Muney -- 5. Female Labor Force and Long-Run Development: The American Experience in Comparative Perspective / Claudia Olivetti Comment: Francine D. Blau -- 6. Origin and Persistence of Black-White Differences in Women's Labor Force Participation / William J. Collins -- 7. Cohabitation and the Uneven Retreat from Marriage in the United States, 1950-2010 / Robert A. Pollak -- 8. Is There a Case for a "Second Demographic Transition"? Three Distinctive Features of the Post-1960 US Fertility Decline / Brad J. Hershbein -- 9. Pollution Theory of Discrimination: Male and Female Differences in Occupations and Earnings / Claudia Goldin Comment: Cecilia Elena Rouse -- 10. Supply of Gender Stereotypes and Discriminatory Beliefs / Yueran Ma -- 11. Claudia Goldin / Stanley L. Engerman.