In theory, democracy is a bulwark against socially harmful policies. In practice, however, democracies frequently adopt and maintain policies that are damaging. How can this paradox be explained? The influence of special interests and voter ignorance are two leading explanations. I offer an...

Many scholars argue that "retrospective voting" is a powerful information shortcut that offsets widespread voter ignorance. Even relatively ignorant voters, it is claimed, can punish incumbents for bad performance and reward them if things go well. But if voters' understanding of which officials...