Tominey, Emma - London School of Economics (LSE) - 2007
mothers and their births. We exploit a fixed effects approach to disentangle the correlation between smoking and birth weight … heterogeneity in the effect on birth weight, it is mothers who smoke for the 9 months of gestation that suffer the harm, whereas … there is an insignificant effect for mothers who chose to quit by month 5. Additionally, there is evidence of potential …