Elster claims that utility-maximization implies instrumentalism, but this claim is only true for some versions of expected utility theory, not all

Elster does not draw as sharp a distinction as he might have between the commitment to methodological individualism and the commitment to rational choice theory. Indeed, he also assumes that the latter flows directly from the former. The version of rational choice theory that Elster endorses, however, is one that is based upon a traditional instrumental (or homo economicus) conception of rationality, according to which “actions are valued and chosen not for themselves, but as more or less effici