We investigate two dimensions of investment in general human capital on-the-job: the number of workers trained and the intensity of training for each worker. In the benchmark case, we consider wage and training decisions made by firms in an imperfectly competitive labour market. The benchmark...

Using large longitudinal survey data from the UK Millennium Cohort Study, this paper estimates the eect of maternal time inputs on early child development. We nd that maternal time is a quantitatively important determinant of skill formation and that its eect declines with child age. There is...