Jayachandran, Seema; Kuziemko, Ilyana - 2009
with birth order, since mothers near or beyond their desired total fertility are more likely to make use of the … contraceptive properties of nursing. Second, given a preference for having sons, mothers with no or few sons want to conceive again … sons and daughters, having few or no older brothers results in earlier weaning. Third, these gender effects peak as mothers …