four decades, despite the fact that in the same period, women's education rapidly increased and fertility rates … at first birth as an instrumental variable to estimate the causal impact of fertility on participation of mothers in the … labor market, free of bias. It finds that having more children does not reduce women's employment. The paper discusses the …

. -- Retirement ; women’s labor supply ; labor force participation ; relative cohort size ; relative wage ; part-time employment …

participation ; relative cohort size ; relative wage ; part-time employment ; bridge jobs ; baby boom …