As an economist, Russ Roberts has been taught to approach decision-making by conducting an analysis, weighing tradeoffs, and then rationally budgeting resources to get the most bang for his buck. But as he explains in his new book, Wild Problems: A Guide to the Decisions That Define Us, he found this approach woefully inadequate for grappling with life’s biggest decisions — things like figuring out whether to get married or how to live a meaningful life.