was decreased by forty percent relative to the control. (3) The party information significantly affected the choices … information interacted with educational level in only eight out of forty choice sets, suggesting that even the more educated … two to ten relative to the control. These findings suggest that the party information helped the respondents to articulate …

In the spirit of von Neumann and Morgenstern (1947), this paper provides an axiomatic representation of information … Blackwell informativeness axiom, I show that any ordering over information can be essentially uniquely represented as …, equivalently: (a) a strictly increasing cost of information acquisition; (b) for a given prior, the expected utility from a …

When is a mechanism designer justified in only asking for ordinal information about preferences? Simple examples show … that, even if the planner's goal (expressed by a social choice correspondence, or SCC) depends only on ordinal information …, eliciting cardinal information may help with incentives. However, if agents may be uncertain about their own cardinal …