We shed new light on the effects of having children on hourly wages by exploiting access to data on the entire population of employed same-sex twins in Denmark. Our second contribution is the use of administrative data on absenteeism; the amount of hours off due to holidays and sickness. Our...

We estimate the effect of motherhood on wages using matching. We distinguish between net and direct effects. The net effect includes the total wage costs, whereas the direct represents the causal effect. Since covariates are likely affected by motherhood, the latter effect is not immediately...

In this chapter, we characterise the selection into parenthood for men and women separately and estimate the effects of motherhood and fatherhood on wages. We apply propensity score matching exploiting an extensive high-quality register-based data set augmented with family background...

We investigate if demand for branded prescription medications in post-patent markets is patient- or doctor driven. When drugs go off-patent the brand medication often maintains non-negligible market shares. We use population-wide Danish data including all prescriptions for seven blockbuster...

Non-compliance with medication therapy remains an unsolved and expensive problem for health care systems around the world. Yet we know little about the factors that determine a patient's decision to follow treatment recommendations. This study uses a unique panel dataset comprising all...

To show that care should be taken in studies which aim at linking prescription drug prices to purchased quantities due to anticipation and stockpiling effects.