It is a finite, sequential, incomplete information gameClaudia Winkleman, a television presenter with a helmet of shiny hair, is not a typical economics teacher. Yet students should consider her game show. Those learning outside Britain may opt for any of the 20 or so versions of “The Traitors” screened elsewhere, including a popular American option that has featured celebrities such as Deontay Wilder, a boxing great, and John Bercow, a disgraced British parliamentarian. The game, which involves...