This important collection brings together the most prominent literature in the field of choice and economic welfare. The volume incorporates material exploring how economics as a scientific enterprise may inform political decision-making. A premise explored paradigmatically through different interpretations including utility-individualism in the context of welfare economics, preference-individualism in social choice theory, and choice-individualism in constitutional economics. The volume includes an array of the subjects founding literature as well as contemporary pieces, which have sparked further discussion in the field. Brought together by an original introduction by the editor, this one-volume collection promises to be a valuable tool for researchers and scholars, as well as a fascinating read to those gravitating towards this fascinating topic.