1. Aguiar, M., & Hurst, E. (2007). Measuring trends in leisure: The allocation of time over five decades. Quarterly Journal of Economics, 122, 969–1006.
2. Aguiar, M., & Hurst, E. (2009). A summary of trends in American time allocation. Social Indicators Research, 93(1), 57–64. in press.
3. Andrews, F., Sonquist, J., Morgan, J., & Klem, L. (1973). Multiple classification analysis. Ann Arber: Institute for Social Research.
4. Bianchi, S., Robinson, J., & Milkie, M. (2006). Changing rhythms of American family life. New York: Russell Sage Foundation.
5. Davis, J. (1974). Communism, conformity cohorts and categories: American tolerance in 1954 and 1972–73. The American Journal of Sociology, 81(1), 491–513.