Research on time preference formation and socioeconomic differences in discounting has received little attention to date. This article examines the extent to which early childhood differences emerge in measures of hyperactivity, impulsivity and persistence, all of which are good psychometric...

We use data from the Irish census and exploit regional and temporal variation in infant mortality rates over the 20th century to examine effects of early life conditions on later life health. Our main identification is public health interventions which eliminated the Irish urban infant mortality...