Since the mid-20th century many OECD countries have discarded their previous selective schools systems, in which students early on were separated between academic and vocational tracks, in favor of more comprehensive schools. The effects of these reforms have generally been difficult to evaluate...

Previous research suggests that there are substantial interactions between the unemployment insurance (UI) and the sickness insurance (SI) in Sweden. Moral hazard arises in the interplay between these two social insurance systems, since by reporting sick an unemployed person can postpone the UI...