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This article presents new estimates of time spent in home production in the United States during the twentieth century. Historical time-diary studies for various segments of the population are linked to estimates from recent time use surveys. The new estimates suggest that time spent in home production by prime-age women fell by around six hours from 1900 to 1965 and by another 12 hours from 1965 to 2005. Time spent by prime-age men rose by 13 hours from 1900 to 2005. Average across the entire population, per capita time spent in home production increased slightly over the century.
Valerie Ramey (Wed,) studied this question.