John Rawls famously holds that the basic structure is the 'primary subject of justice.'1 By this, he means that his two principles of justice apply only to a society's major political and social institutions, including chiefly the constitution, the economic and legal systems, and (more contentiously) the family structure.2 This thesis — call it the basic structure restriction — entails that the celebrated difference principle has a narrower scope than one might have expected. It doesn't apply directly to choices that (...) individuals make within the basic structure. Individuals can live up to the demands of justice simply by obeying whatever rules are set by, and by doing what is necessary to sustain, the basic .. (shrink)