An Englishman once watched his first American football game. He looked intently as the team gathered into a huddle after each play. His American host asked him what he thought of the proceedings. "Not a bad sport", remarked the visitor, "but they do seem to engage in an excessive number of...

In Germany, two observations can be made over the past 20 years: First, income inequality has been constantly increasing while, second, the average household size has been declining dramatically. The analysis of income distribution relies on equivalence-weighted incomes which take into account...