Consider individuals facing uncertain lifetime (and hence uncertain future incomes). Each individual must go through (dentical) medical checkups. The choice of medical expert that interprets the results, and hence provides more information about the random lifetime, must be done prior to the...

We generalize the economic decision problem considered by Blackwell(1953) in which a decision maker chooses an action after observing a signal correlated to the state of nature. Unlike Blackwell's case where the feasible set is fixed, in our framework, the feasible set of actions depends on the...