A PAYGO system may serve as insurance against not having children and as an enforcement device for ungrateful children who are unwilling to pay their parents a pension. In fact, the latter was Bismarck’s historic motive for introducing this system. It is true that the PAYGO system reduces the...

Globalisation means gains from trade, but not for everyone. As gains from trade come along with factor price convergence, substantial fractions of the working classes in the high-wage countries of the West are likely to belong to the group of losers. In this situation it is tempting for the...