TY  - JOUR
A1  - Becker, G.S.
A1  - Lewis, H.G.
T1  - On the interaction between the quantity and quality of children
Y1  - 1973
DO  - 10.1086/260166
JF  - The Journal of Political Economy
VL  - 81
IS  - S2
SP  - S279
EP  - -S288

ER  -