A well-known theorem of Blackwell states that, when quantity of information is properly defined, every expected utility decisionmaker prefers more information to less; for more general preferences, however, the theorem is no longer true. In this article, we investigate the extent to which...

The construction of the higher stories in a building is utterly contingent upon the construction of the lower ones, while the construction of lower stories does not require the construction of the higher ones. This rationale underlies our adoption of a cooperative game theory methodology for...