%A N. Keyfitz %J Population and Development Review %T The family that does not reproduce itself. %X It is easy to invent models that will account for the low level of births in the late 20th century including earlier ignorance of birth control; high women's wages; and female liberation. All these assertions are true, and so also are other considerations. The interplay of causes is what now needs study. %N supp %P 139-154 %V 12 %D 1986 %I Wiley-Blackwell %L iiasa13645