TY - JOUR AB - C hris t i an Lis t Almost every society exhibits diversity. People have diverse beliefs and desires, based on diverse information and interests. Th is empirical fact poses several challenges. First, how can, and should, individuals respond to the diversity of opinion among their peers? Second, how can, and should, society be organized for collective decision-making in the face of diversity? And third, how can, and should, political arrangements and public policies be justifi ed in a diverse society? Th is issue brings together papers by eight leading scholars addressing these questions. Th e papers fall into three groups, roughly corresponding to the three questions just raised: the fi rst group focuses on rational aspects of diversity, the second on institutional aspects, the third on normative ones. Let me briefl y review their contributions. What challenges does diversity of opinion pose for rationality? Richard Bradley argues that it creates both problems and opportunities: it makes it harder to achieve consensus on important matters, yet it enables individuals to improve their opinions. Bradley identifi es a tension between rational opinion revision at the individual level and rational opinion pooling at the collective one. Solving this tension, he argues, requires TI - Introduction JF - Episteme DO - 10.3366/epi.2006.3.3.139 DA - 2012-01-03 UR - https://www.deepdyve.com/lp/cambridge-university-press/introduction-NK9i4K8z0f SP - 139 EP - 140 VL - 3 IS - 3 DP - DeepDyve ER -