Whether it’s a luxury automobile, a couture gown or a special vintage of wine, even those who aren’t collectors and connoisseurs recognize that perceived rarity and quality drive up demand. And price.
Ms. Orenstein is the author of “Unraveling: What I Learned About Life While Shearing Sheep, Dyeing Wool and Making the World’s Ugliest Sweater.” Not long ago, Michelle Obama posted a black-and-white ...