By January 1, 2005, Switzerland reduced the legal level of blood–alcohol concentration while driving from 0.8h to 0.5h. This happend on basis of the assumptions that more restrictive per mil levels increase road safety. The benefit of lower blood–alcohol levels, however, depends on whether...

How much additional income does a couple with two children need to be equally well-off as a childless couple? This question is important for public policy decisions on social benefits or child allowances. Since equivalence scales express the change in the cost of attaining a certain welfare...