 Research concerning causation contributes to the metaphysical foundations of causal decision theory. Nancy Cartwright (1979), for example, draws on ideas about causation to flesh out details of causal decision theory. Also, some accounts of causation distinguish types of causes. Both oxygen and a flame are metaphysical causes of tinder’s combustion. However, only the flame is causally responsible for, and so a normative cause of, the combustion. Causal responsibility for an event accrues to just the salient metaphysical causes of the event. Causal decision theory is interested not only in events for which an act is causally responsible, but also in other events for which an act is a metaphysical cause. Expected utilities that guide decisions are comprehensive.