Over time, some ideas do cross the repugnance barrier to become reality. Charging interest on loans. Selling human sperm and eggs. Profiting from a loved one’s premature death. This last example of course describes how life insurance works. Today it is standard practice to wager on your own death in order to provide for your family. Until the mid-nineteenth century, life insurance was considered “a profanation,” as the sociologist Viviana Zelizer writes, “which transformed the sacred event of death into a vulgar commodity.

Steven D. Levitt