Rawls, the difference principle, and economic inequality

Rawls's theory of justice has been criticized for allowing individuals by their own voluntary choice to make themselves members of the 'least advantaged' class and thereby eligible, albeit undeservedly, for the benefits mandated by the Difference Principle. I argue, first, that this criticism overlooks the fact that the Difference Principle applies only to the lifetime expectations of representative persons and, second, that it is possible to implement the Difference Principle (and the social minimum) through policies that do not create work disincentives or require making objectionable moral judgments about who is and who is not deserving of assistance.