This paper uses Danish register-based data for the population of children born in 1990-1997 to investigate the effects on parents of having a child with attention-deficit/hyperactivity-disorder (ADHD). Ten years after birth, parents of children diagnosed with ADHD have a 75% higher probability...

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...

Segregation of the labour market into a family-friendly and a non-family-friendly sector implies that women self-select into sectors depending on institutional constraints, preferences for family-friendly working conditions and expected wage differences. We take this sector dimension into...